France: From “Yes we Can!” to “Yes you Must!”

Amazed Parisians are still reeling after discovering billboards featuring President Sarkozy, pictured as U.S. President-elect Barack Obama, after Shepard Fairey's famous poster, with the wonders working comment Yes We Can! Suzanne Lehn gives us a chronological break down of what happened and how the Yes We Can slogan became Yes We Must!