FILE PHOTO – Duo Siegfried & Roy arrive for Power

FILE PHOTO: Roy Horn (R) and Siegfried Fischbacher, of the duo Siegfried & Roy, arrive for the 16th annual Keep Memory Alive “Power of Love Gala” and 70th birthday celebration for Muhammad Ali at the MGM Grand Garden Arena in Las Vegas, Nevada February 18, 2012. REUTERS/Steve Marcus/File Picture