At least for the time being, Rand Paul is the effective leader of the Republican Party. The GOP's shellacking in 2012 has thrust a new generation of Republicans -- including leaders like Rubio, Paul Ryan, Ted Cruz, Bobby Jindal and Chris Christie -- into the spotlight. But it's Paul who has become the clearest voice of the new guard in the Republican Party. And he is effectively driving the entire GOP message right now. Read more. [Thanks: BJS]