Congressional lawmakers demanded answers Wednesday about the FBI's response to the Jan. 1 truck attack in New Orleans that ...

Senator Chuck Grassley is the longest serving Republican in congressional history and, when the Senate convenes Friday, Grassley will again have the title of Senate President Pro Tempore.

Grassley weighed in on President Trump's decision to crack down on immigration and pardon those who were charged in the Jan.

The U.S. is reeling from a pair of New Year’s Day attacks in Nevada ... The body’s oldest and longest-serving senator Chuck Grassley (R-Iowa) was sworn in as president pro tempore.