Breitbart News is doubling its reward—to $100,000—for one of the missing pieces of Barack Obama’s past, which may be the key to understanding his collapsing Middle East policy: the “Khalidi tape,” a video kept under wraps by the Los Angeles Times since April 2008… The Khalidi tape shows Obama at a 2003 farewell party for radical Palestinian academic and activist Rashid Khalidi, and reportedly features vitriolic anti-Israel rhetoric.