Joe Perry and Steven Tyler of the band Aerosmith answer questions during an announcement of their Global Warming Tour in Los Angeles

 
Joe Perry and Steven Tyler of the band Aerosmith answer questions during an announcement of their Global Warming Tour in Los Angeles
Joe Perry (L) and Steven Tyler of the band Aerosmith answer questions during an announcement of their Global Warming Tour in Los Angeles on March 28, 2012. REUTERS/Phil McCarten (UNITED STATES - Tags: ENTERTAINMENT)