Former Minnesota Gov. Tim Pawlenty signs an autograph before speaking at the Greater Boston Tea Party's third annual "Tax Day" rally on Boston Common in Boston, Friday, April 15, 2011. Pawlenty, a ... more 
Former Minnesota Gov. Tim Pawlenty signs an autograph before speaking at the Greater Boston Tea Party's third annual "Tax Day" rally on Boston Common in Boston, Friday, April 15, 2011. Pawlenty, a Republican, announced last week that he was forming an exploratory committee for a 2012 White House bid. less 
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Associated Press | Photo By Winslow Townson
Fri, Apr 15, 2011 7:15 PM EDT