Up Close: The Trump transition

NEW YORK (WABC) -- It's been like a pilgrimage at the home of President-elect Trump as he interviews well known Republicans for possible jobs in the new administration.

Many of the visitors once badmouthed the native New Yorker and refused to endorse him, but now perhaps are getting ready to serve him.

Meanwhile the Republican leaders in the Senate and the House are getting ready to take up the Trump agenda.

Do Democrats compromise with the Trump Administration, or do they fight to try and stop it?

We'll talk with veteran New York Democratic Rep. Jerrold Nadler.

Also, NYPD Commissioner James O'Neill met last week with the Secret Service to work on security for what's going to be the northern White House when President Trump isn't in Washington.

We'll discuss the security measures around Trump Tower with our security consultant, Nick Casale, former detective with the NYPD and counterterrorism expert with the MTA.

Bill Ritter talks with security expert Nick Casale about security around Trump Tower.

Finally, we'll take a closer look at the transition with ABC News political director Rick Klein and our political analyst Hank Sheinkopf.

Bill Ritter talks with ABC News political director Rick Klein and political analyst Hank Sheinkopf.