Comedian Horatio Sanz allegedly groomed and sexually assaulted an underage superfan at a "Saturday Night Live" party — as cast members looked the other way, the woman claims in a lawsuit filed Thursday. The unnamed Pennsylvania teen, who was 17 at the time, was running an "SNL" fan site in May 2002 when Sanz allegedly took her on a limo ride then "digitally penetrated her genitals" at a post-show bash, according to the lawsuit, filed in Manhattan Supreme Court. The girl first met Sanz at age 15 — when he was 31 years old — in 2000 after he invited...