jim said: "i congratulate sen. corker for two terms in the senate. despite our differences, we have a solid working relationship and i admire his expertise on foreign affairs. i wish him the best in his future endeavors, and i thank him for his service to tennessee." efforts to repeal the affordable care act unwind the latest republican effort to repeal and replace the affordable care act ended on tuesday , a day after sen. susan collins announced her opposition to the bill, joining sens. rand paul and john mccain. 