Ft. Lauderdale's Cafe Martorano and its owner Steve Martorano exert the media-industry equivalent of gravitational pull. He and his restaurant attract attention. Da guy's a star yaknowwhadamean? He's got his landmark South Florida headquarters, a joint in Vegas, national tv spots cookin meatballs, Gail Shepherd's writin about him, face on the gravy jar, diners taking cell phone videos while they eat. Who's he think he is? Steve Buscemi? Nah, he's Steve Martorano and he's in business. Here's a