Newsweek magazine has rejected an offer to excerpt Kitty Kelley's Bush family expose, "The Family: The Real Story of the Bush Dynasty," because a key allegation in the book couldn't be nailed down. "We were one of the magazines that was given the chance to read that book and decide whether we wanted to buy excerpts," Newsweek's Howard Fineman told radio host Don Imus on Tuesday. "We passed [on it.]" Fineman suggested that Kelley's sourcing for the book's central allegation - a claim that George W. Bush had used cocaine at Camp David during the 1980s - was suspicious on...