Shortly before Thanksgiving, a concerned Nigerian banker warned the local U.S. Embassy about his missing son's ties to Yemeni radicals and a possible terrorist threat. It wasn't until Christmas that Umar Farouk Abdulmutallab resurfaced - in seat 19A of a Detroit-bound airliner, his underwear loaded with enough explosives to kill all 289 people aboard. The 35 days between were rife with missed clues, missteps and miscommunication as authorities - in a 9/11 repeat - failed to connect the terrorist dots surrounding the Al Qaeda-trained bomber. .."Somebody screwed up big time," said Sen. Kit Bond of Missouri, the top Republican on...