· Keanu Reeves took the stand today in his paparazzi-running-over trial, insisting that photographer Alison Silva "walked backwards, lost balance and tripped over his own feet" in front of the actor's oncoming car in March 2007. Reeves's compelling defense, according to courtroom observers: "Whoa." · NBC and reps for Britney Spears both deny rumors that the singer will appear on Saturday Night Live this fall to promote her new album Circus; naturally, expect one or both parties to announce a date some time in late November. · This sucks: Deep Throat director Gerard Damiano died over the weekend in Coral Gables, Fla., of complications following a stroke. He was 80. · Guess the critic: "“It’s really important to tell people to go out and see W. so they can talk about it and have an opinion about it and this freedom of speech of course that allows us to go and talk about a film about a current sitting president.” Hint: He has a thing for stars. · After a tepid denial last week, Terrence Howard's archenemy pimps at Marvel Studios confirmed that Don Cheadle will indeed inherit the role of Jim Rhodes in Iron Man 2.