President Donald Trump has tweeted his endorsement of Mitt Romney’s run for a Utah Senate seat, writing Monday night that the former Massachusetts governor who has frequently criticized the president has his “full support and endorsement.” Romney launched his bid for a political comeback on Friday, making official the rumors that he would run to replace Utah’s retiring Senator Orrin Hatch, the longest-serving Republican in the Senate. .@MittRomney has announced he is running for the Senate from the wonderful State of Utah.