Grassley is the oldest sitting United States senator, the longest-serving Republican in congressional history, and the ...

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.

U.S. Sen. Chuck Grassley has again assumed the position of Senate president pro tempore, putting him third in the ...

U.S. Sen. Chuck Grassley on Thursday released an internal FBI document that contained an informant’s unverified claim that then-Vice President Joe Biden was involved in an illegal foreign bribery ...

WASHINGTON — It was Sen. Chuck Grassley, R-Iowa, holding the gavel Wednesday as the Senate Judiciary Committee questioned Pam Bondi, President-elect Donald Trump's choice to serve as attorney ...

U.S. Sen. Chuck Grassley will retake the position of Senate president pro tempore when Congress convenes Friday.The Iowa Republican, who has served in the U.S. Senate since 1981, will take the ...