Mitch McConnell, the NRSC and the Chamber of Commerce went all in for moderate Thad Cochran in Mississippi (57% conservative rating with Heritage Action): Back in Washington, Cochran’s most important allies resolved to muffle their anxiety and stick with him for another three weeks. The Chamber of Commerce polled the race, concluded the senator had a difficult but viable path to victory; the group began brainstorming inventive ways to make a splash in the state, culminating with a sensational commercial starring NFL legend Brett Favre. National Republican Senatorial Committee political director Ward Baker, confronted with Beltway pessimism about Cochran’s chances,...