Vice President Joe Biden (half-)joked to Jay Leno on the Tonight Show this evening that he wanted to include conservative talk radio king Rush Limbaugh as part of the spy swap that took place earlier today with Russia.The Obama administration has targeted Limbaugh as an enemy of the regime since it came to power in January 2009.The Associated Press reported on Biden's appearance on the Tonight Show:Leno then showed a sultry photo of alleged Russian agent Anna Chapman and asked: "Are our spies this hot?" Biden's reply, in a mock-serious tone: "Let me be clear. It was not my idea...