NEW YORK – As Democrats scramble to contain a political disaster in Maine, the Republicans on the front lines of the GOP's fight to hold the U.S. Senate majority are breathing a sigh of relief. For much of the year, Republican operatives have been quietly considering the real possibility that their party might lose the Senate. No longer.Recommended VideosWhile much can change before November, Republicans have already begun to rethink their national strategy to take advantage of a political map that suddenly looks much more favorable in the wake of Maine Democrat Graham Platner's latest controversy — an accusation of...