FILE - In this Oct. 6, 2011 file photo, former Vice President Dick Cheney is seen in Washington. Former Vice President Dick Cheney walked onstage without any assistance and spoke for an hour and 15 minutes without seeming to tire in his first public engagement since he underwent a heart transplant three weeks ago, Saturday, April 14, 2012. in Cheyenne, Wyo. (AP Photo/Manuel Balce Ceneta, File)
