Election '16: Donald Trump charges that President George W. Bush "knew in advance" of the Sept. 11, 2001, attacks. Promoting the Obama birther conspiracy was bad enough, but this is beyond the pale. There may not be a historical precedent to a major presidential candidate accusing his own party's last president of knowingly allowing an enemy to attack America, killing thousands. Negligence bordering on treason: This is the charge Donald Trump is making against George W. Bush. Trump told CNN on Tuesday, "George Tenet, the CIA Director, knew in advance that there would be an attack, and he said so...