Paul Krugman discloses a far scarier possibility than the alleged Trump-Putin axis

Rand Paul summed it up best when he explained: "We'll never even get started with doing the things we need to do, like repealing Obamacare, if we're spending our whole time having Republicans investigate Republicans." There it is in a nutshell. The hard-liners in the Republican party are not going to let the little whiff of…