Margaret Cho has a bone to pick with Ellen DeGeneres. During an appearance on "The Kelly Mantle Show" podcast, the stand-up comedian, 56, got candid about DeGeneres' alleged "mean girl" tendencies and explained why she thinks the former talk show host was mean to her throughout "most" of her career. "It's so weird now, public perception of her is more true to ... she's mean," Cho said of DeGeneres. "She was like a mean girl, kind of, but also she would be real nice."ELLEN DEGENERES ADMITTED TO GETTING KICKED OUT OF HOLLYWOOD BEFORE FLEEING US"I think she always had negative feelings towards