On this "Face the Nation with Margaret Brennan" broadcast, Sen. Mark Warner and border czar Tom Homan join Margaret Brennan.

Learn about candidates in contested primaries.

The Maine senator is campaigning on her role as Appropriations chair and faces renewed criticism from some constituents for ...

The world’s oldest constitutional democracy turned 250 on the Fourth of July, two weeks ago. It is a rather quirky coincidence that in the 250th year of its largely successful existence, America ...