A joint service honor guard carries the casket of former US President George H.W. Bush to an awaiting hearse after his state funeral at the Washington National Cathedral. (Alex Wong/Getty Images)
Former President George W. Bush and his wife Laura Bush, center, join their family as they follow the casket of former President George H.W. Bush. (Susan Walsh/AP Photo)
Former President George Bush and wife Laura Bush former Florida Gov. Jeb Bush, and his wife Columba Bush, center, and other members of the Bush family follow the casket. (Andrew Harnik, Pool/AP Photo)
Former President George W. Bush places his hand over his heart as the flag-draped casket of former President George H.W. Bush is carried. (Alex Brandon, Pool/AP Photo)
Former President Jimmy Carter, and Rosalynn Carter hold hands as they walk from a State Funeral for former President George H.W. Bush at the National Cathedral. (Carolyn Kaster/AP Photo)
The Reverend Dr. Russell Levenson speaks at the state funeral of former US president George H.W. Bush at the Washington National Cathedral in Washington, December 5, 2018. (BRENDAN SMIALOWSKI/AFP/Getty Images)
Former President George W. Bush wipes an eye at the State Funeral for his father, former President George H.W. Bush. (Alex Brandon, Pool/AP Photo)
Former President George W. Bush shares a moment with his brother Jeb Bush and Laura Bush, center, after speaking at the State Funeral for their father. (Alex Brandon - Pool/Getty Images)
Columba Bush, Jeb Bush and Laura Bush listen as former President George W. Bush speaks during the State Funeral. (Alex Brandon - Pool/Getty Images)
Current and former presidents and first ladies applaud during a State Funeral for former President George H.W. Bush at the National Cathedral, Wednesday, Dec. 5, 2018. (Carolyn Kaster/AP Photo)
Presidential historian and biographer Jon Meacham delivers a eulogy at the state funeral service of former President George W. Bush, (Chris Kleponis / Polaris)
Former President George W. Bush touches the casket of his father, former President George H.W. Bush, at his state funeral. (Alex Brandon, Pool/AP Photo)
Former President George W. Bush touches his fathers casket after speaking during the State Funeral for former President George H.W. Bush, at the National Cathedral, Wednesday. (Evan Vucci/AP Photo)
Former US President George W. Bush speaks during the funeral service for former US President George H. W. Bush at the National Cathedral in Washington, DC on December 5, 2018. (MANDEL NGAN/AFP/Getty Images)
Former President George W. Bush speaks in front of the flag-draped casket of his father. (Alex Brandon, Pool/AP Photo)
Former president George W. Bush gives a eulogy at the state funeral of his father former US president George H.W. Bush at the Washington National Cathedral in Washington. (BRENDAN SMIALOWSKI/AFP/Getty Images)
Former president George W. Bush touches the casket as he arrives to give a eulogy at the state funeral of his father former US president George H.W. Bush. (BRENDAN SMIALOWSKI/AFP/Getty Images)
President Donald Trump, first lady Melania Trump, former President Barack Obama, Michelle Obama, former President Bill Clinton and former Secretary of State Hillary Clinton listen. (Alex Brandon, Pool/AP Photo)
Former Sen. Alan Simpson, R-Wyo, touches the flag-draped casket of former President George H.W. Bush. (Andrew Harnik, Pool/AP Photo)
Former U.S. Sen. Alan K. Simpson (R-WY) delivers remarks during the state funeral for former President George H.W. Bush. (Chip Somodevilla/Getty Images)
Jeb Bush, Laura Bush, and former President George W. Bush share a laugh as a story is told about former President George H.W. Bush. (Evan Vucci/AP Photo)
Presidential biographer Jon Meacham speaks during the State Funeral for former President George H.W. Bush at the National Cathedral. (Evan Vucci/AP Photo)
Former president George W. Bush greets former first Lady Michelle Obama at the funeral of his father George H.W. Bush. (BRENDAN SMIALOWSKI/AFP/Getty Images)
The flag-draped casket of former President George H.W. Bush is carried by a military honor guard. (Carolyn Kaster/AP Photo)
Former President George W. Bush, center, former first lady Laura Bush, Neil Bush, Sharon Bush and Jeb Bush, arrive for the State Funeral for former President George H.W. Bush. (Evan Vucci/AP Photo)
The flag-draped casket of former President George H.W. Bush is carried by a military honor guard. (Evan Vucci/AP Photo)
The flag-draped casket of former President George H.W. Bush is arrives carried by a military honor guard during a State Funeral at the National Cathedral. (Andrew Harnik, Pool/AP Photo)
President Donald Trump shakes hands with former President Barack Obama during a State Funeral service for former President George H.W. Bush. (Carolyn Kaster/AP Photo)
Barack Obama and Michelle Obama speak as Bill Clinton and Hillary Clinton greet Vice President Mike Pence and Karen Pence before the funeral. (BRENDAN SMIALOWSKI/AFP/Getty Images)
President Donald Trump and first lady Melania Trump greet former President Barack Obama and Michelle Obama as they join other former presidents and vice presidents and spouses. (Chip Somodevilla/Getty Images)
German Chancellor Angela Merkel speaks with former US President Barack Obama as they arrive for the funeral service for former US President George H. W. Bush. (BRENDAN SMIALOWSKI/AFP/Getty Images)
Former VP Al Gore, left, speaks with former President Bill Clinton as his wife, former Secretary of State Hillary Clinton greets former first lady Michelle Obama. (Andrew Harnik-Pool/Getty Images)
President Donald Trump and first lady Melania Trump arrive for the State Funeral former President George H.W. Bush, at the National Cathedral, Wednesday, Dec. 5, 2018. (Evan Vucci/AP Photo)
Former Secretary of State Hilary Clinton, right, greets former Vice President Joe Biden, left, before a State Funeral for former President George H.W. Bush. (Andrew Harnik, Pool/AP Photo)
Acting United States Attorney General Matt Whitaker, center, arrives before a State Funeral for former President George H.W. Bush. (Andrew Harnik, Pool/AP Photo)
Former Canadian Prime Minister Brian Mulroney shakes hands with former President George W. Bush. (Alex Brandon - Pool/Getty Images)
Ivanka Trump and Jared Kushner speak with former VP Joe Biden and wife Jill, while former President Jimmy Carter (back turned) and wife Rosalynn speak with former VP Al Gore. (Andrew Harnik, Pool/AP Photo)
Former US Vice President Al Gore(R) Vice President Mike Pence (L) and former US President Jimmy Carter(C) arrive for the funeral service for former US President George H. W. Bush. (BRENDAN SMIALOWSKI/AFP/Getty Images)
Mourners file into the Washington National Cathedral before a State Funeral for former President George H.W. Bush in Washington, Wednesday, Dec. 5, 2018. (Patrick Semansky/AP Photo)
Mourners file into the Washington National Cathedral before the State Funeral for former President George H.W. Bush in Washington, Wednesday, Dec. 5, 2018. (Patrick Semansky/AP Photo)
Former Florida Gov. Jeb Bush, left, reaches out to his brother, former President George W. Bush, right, arrive. (Susan Walsh/AP Photo)
Former NFL quarterback Peyton Manning arrives for the State Funeral of former President George H.W. Bush at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. (Susan Walsh/AP Photo)
Former Secretary of State Condoleezza Rice, left, arrives for the State Funeral of former President George H.W. Bush. (Susan Walsh/AP Photo)
Former Secretary of State Henry Kissinger arrives for the State Funeral of former President George H.W. Bush. (Susan Walsh/AP Photo)
Former Secretary of State Colin Powell, center, arrives for the State Funeral of former President George H.W. Bush at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. (Susan Walsh/AP Photo)
Rudy Guiliani, center, and other guests, arrive for the State Funeral of former President George H.W. Bush at the National Cathedral in Washington, Wednesday, Dec. 5, 2018. (Susan Walsh/AP Photo)
Visitors gather before a State Funeral for former President George H.W. Bush at the National Cathedral, Wednesday, Dec. 5, 2018, in Washington. (Andrew Harnik, Pool/AP Photo)
George W. Bush and Laura Bush watch as the flag-draped casket of his father is carried by joint services military honor guard to a State Funeral in Washington. (Alex Brandon - Pool/Getty Images)
A U.S. military honor guard team carries the flag draped casket of former U.S. President George H. W. Bush from the U.S. Capitol December 5, 2018 in Washington, DC. (Win McNamee/Getty Images)
People line Pennsylvania Ave. as the hearse passes by carrying the flag-draped casket of former President George H.W. Bush as it drives away from the Capitol. (Alex Brandon, Pool/AP Photo)
People line the street to see the flag-draped casket of former President George H.W. Bush motorcade to a State Funeral at the National Cathedral, Wednesday, Dec. 5, 2018. (Alex Brandon, Pool/AP Photo)
The hearse carrying the flag-draped casket of former President George H.W. Bush passes by the White House from the Capitol, heading to a State Funeral at the National Cathedral. (Jacquelyn Martin/AP Photo)
The casket with the remains of former US President George H.W. Bush departs the US Capitol during a State Funeral in Washington, DC, December 5, 2018. (SAUL LOEB/AFP/Getty Images)