Incumbent President's rally in Paris

France's President and candidate for re-election in 2012, Nicolas Sarkozy, shakes hands as he arrives for a campaign meeting at the Concorde Plaza, in Paris, France on April 15, 2012. Sarkozy and his chief challenger for the presidency, Francois Hollande, have separate events in Paris in their last big campaign meeting in the capital before the April 22 vote. The Obelisk is seen in the background. UPI/Michel Euler/Pool