The two men could not be more different. One, a Republican, octogenarian, seven-term Southern senator, the other a progressive, millennial Maine oysterman who’s never spent a day in elected office. But Mitch McConnell, the senior senator from Kentucky who’s been MIA for the past few weeks and Graham Platner, the Maine Senate candidate who finally heeded calls to drop out of his race against Sen. Susan Collins, R-Maine, Wednesday night, apparently do have something in common: an outsized sense of