Congressional Republicans are trying to mend an ailing relationship with allies in the medical community after opposing legislation to block an annual pay cut for doctors under Medicare. Republican Whip Roy Blunt of Missouri already convened a private meeting with a handful of top lobbyists for the medical community to make amends after the vote. The lingering tension, however, from that vote hints at a broader rift between doctors and the GOP as Congress prepares for a potential healthcare fight under the next president.