U.S. actress Barbara Eden listens to fomer U.S. President Bill Clinton during the opening ceremony of the 21st Life Ball in Vienna May 25, 2013. Life Ball is Europe's largest annual AIDS charity event... more 

U.S. actress Barbara Eden listens to fomer U.S. President Bill Clinton during the opening ceremony of the 21st Life Ball in Vienna May 25, 2013. Life Ball is Europe's largest annual AIDS charity event and takes place in Vienna's city hall. REUTERS/Leonhard Foeger less