Many in the audience kept standing during Sen. Rand Paul's speech at the 40th annual Conservative Political Action Conference in National Harbor, Md., Thursday, March 14, 2013. (David S. Jackson/The Washington Times)

Many in the audience kept standing during Sen. Rand Paul's speech at the 40th annual Conservative Political Action Conference in National Harbor, Md., Thursday, March 14, 2013. (David S. Jackson/The Washington Times)