TAMPA — It’s an understatement to say Republicans are worried about losing the Senate race in Missouri. Amid the Todd Akin controversy, they’re terrified by the prospect of losing a state they previously thought they could win — and thus falling a single seat short of winning control of the Senate. Now, many of them view Mike Huckabee as the key player in the Akin situation. The former Arkansas governor and presidential candidate has supported Akin all along and has prominently refused to join in the Republican chorus — which includes virtually every office holder, former office holder, political operatives...