Republican presidential candidate US Senator John McCain hands the microphone to the audience for a question during a campaign stop in Houston

 
Republican presidential candidate US Senator John McCain hands the microphone to the audience for a question during a campaign stop in Houston
Republican presidential candidate US Senator John McCain (R-AZ) hands the microphone to the audience for a question during a campaign stop at Goode's Armadillo Palace in Houston, Texas, March 4, 2008. REUTERS/Brian Snyder (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)