Comedic legend Jerry Lewis’ bitter battle with a children’ muscular dystrophy charity has been exposed. RadarOnline.com can reveal why Lewis was suddenly ousted from hosting the annual Muscular Dystrophy Association’s telethon in 2011. The ego-crazed comedian was said to have exploded in a fit of rage and threatened the charity’s president over program cuts and control of the TV fundraiser. In a bombshell revelation, sources finally blew the lid off one of TV’s longest-held secrets to reveal how frazzled Muscular Dystrophy Association (MDA) bosses finally showed Lewis the door after he had hos…