LOS ANGELES - Michael Richards said Monday he spewed racial epithets during a stand-up comedy routine because he lost his cool while being heckled and not because he's a bigot. In this photo released by CBS, comedian Jerry Seinfeld talks with host David Letterman during tapping of the "Late Show with David Letterman," on Monday, Nov. 20, 2006 in New York. Also during the show, Seinfeld's former co-star Michael Richards appeared via satellite from California and attempted to explain a weekend stand-up comedy routine where he repeatedly used racial epithets in an apparent rageful response to hecklers, a video of...