Mitch McConnell’s moment of truth

Mitch McConnell is the most adroit of politicians, but hes about to be tested in what could be the most difficult and revealing period of his more than three decades in public office.
McConnell, the Senate GOP leader and Kentuckys senior senator, is being tugged from all sides. Hes the consummate establishment Republican attempting to lead a caucus increasingly divided between pragmatists and purists, including one of the latter from his own state. By years end, either a new Republican president or lame-duck Democrat in the White House will...