Concert-goers jam exits after anti-Bush display By Mark Brown, Rocky Mountain News April 3, 2003 Incensed fans walked out of Pearl Jam's concert Tuesday after lead singer Eddie Vedder impaled a mask of President Bush on a microphone stand, then slammed it to the stage. Most of Vedder's antiwar remarks earlier in the Pepsi Center show were greeted with mixed cheers and scattered boos. But dozens of angry fans walked out during the encore because of the macabre display with the Bush mask, which he wore for the song Bushleaguer, a Bush- taunting song from the band's latest album, Riot...