Speaking at the Conservative Political Action Conference, Republican Senator Rand Paul of Kentucky said the GOP has "grown stale and moss covered" and needs to embrace libertarianism."The new GOP will need to embrace liberty in both the economic and the personal sphere. If we're going to have a Republican Party that can win, liberty needs to be the backbone of the GOP," he said.For many conservatives, Paul's nearly 13-hour filibuster of CIA director John Brennan in protest of President Obama's drone policies puts him at the head of the line for presidential contenders in 2016.The high-profiled speech gave Paul a chance to court the so-called "Facebook generation" on privacy matters, and explain why he favors limits on presidential power.Paul's remarks also gave him a chance to rebuke GOP rival and fellow Senator Marco Rubio of Florida, who right before Paul's speech said the party didn't need new ideas.Watch the full speech:
