Behind the Scenes of Obama’s Acting Cameo in ‘Life, Larry’: Blaming Larry David for His Tan Suit Debacle, Improvising Lines and Ranting About Ketchup

In his HBO sketch series “Life, Larry and the Pursuit of Unhappiness,” Larry David travels throughout history, inserting his stubborn and curmudgeonly self into America’s most pivotal moments. “Lawrence,” as he’s often called, fights in the trenches of World War I, heckles George Washington during his Farewell Address and defends Rosa Parks on a Montgomery…