Rand Paul is defending his relationship with Mitch McConnell after helping his fellow Kentuckian defeat a tea party-backed challenger in a GOP Senate primary."I came out of the tea party movement. I'm very concerned about the debt. I'm very concerned about big government," Paul said on Friday. "But I think the misnomer is to think somehow Senator McConnell isn't. That's what his whole entire career has been predicated upon - fighting against big government."The comments by Paul, the state's junior senator, came at a news conference with McConnell in Louisville that was focused on building party unity following a bruising...