By most accounts, Senator Saxby Chambliss is being driven from office by the tea party, a dysfunctional congress and a hyper-partisan President Obama. This triangle of frustration leads the senator to prefer sipping whiskey on the back porch to six to eight more years of Washington politics. One can sympathize.

It also clears the decks for a host of ambitious Georgians to seek higher office. An open U.S. Senate seat is like an unexpected gift dropped in one’s lap. It wasn’t expected. It also g...