Sen. Thom Tillis isn't holding back in his final year in Washington. He criticizes President Donald Trump's advisers and questions their influence on key decisions. Tillis recently participated in a congressional delegation to Copenhagen to show unity with Denmark as Trump threatens to seize Greenland. He also criticized the Justice Department's investigation of Federal Reserve Chairman Jerome Powell. Tillis often targets Trump's senior aides, questioning whether Trump receives the best advice. He remains supportive of Trump but expresses frustration with certain advisers. Tillis' candid approach has attracted attention and support from some GOP colleagues.