"Louder! Louder!" they began chanting, and the cry spread across the crowd to Palin's left. Some pointed skyward, urging that the volume be increased.
Palin stopped her remarks briefly and looked toward the commotion.
"I hope those protesters have the courage and honor to give veterans thanks for their right to protest," she said.
Some in the crowd tried to shout toward her what was really being said, but she couldn't hear them.
Some in the crowd had stood in place for more than three hours on a sunny day without shade. At least 25 people collapsed from heat-related illnesses and three were hospitalized, according to authorities with the Henrico County fire department.
Palin had campaigned earlier Monday with John McCain in Virginia Beach, only the second time the GOP ticket has campaigned in Virginia since June. Democrat Barack Obama or his running mate, Joe Biden, together have visited the state eight times over that span.
Virginia has been solidly Republican for 40 years but is now an electoral battleground with both sides locked in a very close race for the state's 13 electoral votes.
Addressing the crowd, Palin largely steered clear of her recent criticisms of Obama. Instead, she acknowledged the emotion that has built up on both sides, particularly since the financial collapse.
"There is a lot of anger. There is anger at the inside dealing and anger at lobbyists and anger at the greed on Wall Street. There is anger at the Washington elite and there is anger at voter fraud," she said.
She promised a spending freeze if she and McCain win, and evoked cheers of "Drill, Baby, Drill!" in calling for greater domestic mining and oil drilling. The crowd roared when she criticized Biden for remarks he made in Ohio that the United States had little interest in coal-fired electrical power.
The afternoon's loudest ovation came when country music star Hank Williams Jr. offered a rendition of his hit "Family Tradition" that opened by assailing "the left-wing liberal media."
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On the Net:
McCain: http://www.johnmccain.com
Obama: http://www.barackobama.com
