Republican presidential candidate Rep. Ron Paul, R-Texas, left, shakes hands with Henry Nichols, 3, foreground, and Davis Nichols, 6, as their father Jonathan Nichols takes their photo as Paul and his wife Carol, center, greet people taking part in Washington state caucus meetings, Saturday, March, 3, 2012, in Puyallup, Wash. (AP Photo/Ted S. Warren)