Oct.31 -- Sen. Chuck Grassley, chairman of the Senate Judiciary Committee and a Republican from Iowa, discusses the first indictments in Robert Muellers . Sen. Chuck Grassley (R-Iowa), Senate Finance Committee member, discusses his support for the Republican-backed tax plan and what it could take to bring . . Sen. Chuck Grassley (R-Iowa) said he hopes FBI director nominee Christopher A. Wray lifts a “cloud of doubt during a Senate Judiciary Committee hearing on .