If Sarah Palin wants a presidential candidate with "Tea Party principles" and "who can take on both sides of the aisle," maybe she'd ought to suggest drafting Senator Rand Paul. The Kentucky freshman has given his own party fits this week by holding up the debate over extending the Patriot Act. Senator Paul wants gun records exempted from scrutiny. And he's not above calling out the dogs even on his own state's senior senator, Senate Minority Leader Mitch McConnell (who wasn't keen on there being a Senator Paul in