Feb. 4-10: Denzel in a romance and a spy thriller, Richard Gere’s a terrible therapist, kids walk across Australia, Get a Life is invaded by an alien, the E.U. begins, lots of Winter Olympics, Letterman turns 10 the first time, Paul Giamatti is a liar, Rollerball is a crime, Channing Tatum makes a vow, Woody Harrelson is a bad cop, and part of Dwayne Johnson’s jungle quadrilogy. All that and more this week on Thirty Twenty Ten, your weekly look back on the week that was 30, 20, and 10 years ago.