File photo shows Herman Cain speaking in Manchester

 
File photo shows Herman Cain speaking in Manchester
Herman Cain, radio talk show host and former CEO of a chain of pizza parlors, speaks at the Americans for Prosperity Foundation's "Presidential Summit on Spending and Job Creation" in Manchester, New Hampshire in this April 29, 2011 file photo. Cain announced his candidacy for the Republican nomination for U.S. president on May 21, 2011. REUTERS/Brian Snyder/Files (UNITED STATES - Tags: POLITICS HEADSHOT)