Democratic presidential candidate Senator Barack Obama (D-IL) (2nd from L) tosses a flower to a reflecting pool as he stands with Republican presidential candidate Senator John McCain (R-AZ) (2nd from R-not visible behind Obama), New York City Mayor Michael Bloomberg (L) and Cindy McCain (R) while visiting the Ground Zero site of the September 11, 2001 attacks on the World Trade Center in New York, September 11, 2008. The visit comes on the seventh anniversary of the attacks. REUTERS/Mike Segar (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)
REUTERS/MIKE SEGAR