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A supporters of Republican presidential hopeful Ron Paul holds a sign advocated ending the Federal Reserve bank before a 'Gun Owners for Ron Paul' event at American Shooters gun store and shooting range February 3, 2012 in Las Vegas, Nevada ahead of the February 4 Nevada caucus. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)

A supporters of Republican presidential hopeful Ron Paul holds a sign advocated ending the Federal Reserve bank before a 'Gun Owners for Ron Paul' event at American Shooters gun store and shooting range February 3, 2012 in Las Vegas, Nevada ahead of the February 4 Nevada caucus. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)