Barbra Streisand and Seth Rogen's road-trip comedy The Guilt Trip debuted to an unimpressive $1.1 million at the North American box office on Wednesday as Streisand returned to the big screen in a lead role for the first time since The Mirror Has Two Faces in 1996. Box Office Report: 'Zero Dark Thirty' Soars in New York and Los Angeles Guilt Trip came in No. 2 behind Peter Jackson's The Hobbit: An Unexpected Journey, which took in $6.3 million for a six-day domestic cume of $106.5 million. Wednesday's biggest headline was Kathryn Bigelow's controversial Osama bin Laden pic Zero Dark...