March 19-25: Sissy Spacek learns about racism, Clarissa loves They Might Be Giants, the Oscars for 30 and 20 years ago get it wrong, Ed Harris is Jack the Dripper, Emma Thompson is witty, the Diary of a Wimpy Kid continues, Big Love ends, Community has a crossover, and LA Law has an all-time dramatic exit. 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.