Kentucky is one place in America where a tea-party firebrand and a Republican from the governance wing amicably meet.For two Republican senators from the same state, Rand Paul and Mitch McConnell could not be more mismatched. Senator Paul is a man in a hurry, with presidential stars in his eyes after a mere four years of serving Kentucky in Washington. The loquacious libertarian is a darling of young conservatives – a relaxed jeans-and-boots kind of guy. Senator McConnell, after three patient decades in office, has finally reached his dream job of Senate majority leader. A man of few words, he’s...