After two seasons, Aerosmith singer Steven Tyler has chosen to leave his role as a judge on ‘American Idol.’ Tyler made the announcement via press release, smack dab in the middle of speculation that Charlie Sheen is up for a slot on the panel and right after Jennifer Lopez, who joined the same season as Tyler, said that she thinks it’s time for her to go. Will Randy ‘Yo! Dawg!’ Jackson be the sole judge to remain?