WASHINGTON – Despite a top-to-bottom overhaul of the intelligence community after the 2001 terrorist attacks, the security system showed some of the same failures nearly a decade later and allowed a would-be bomber to slip aboard an airliner, congressional investigators said Tuesday. The Senate intelligence Committee report at times contradicted the Obama administration's assertion that the nearly catastrophic Christmas Day bombing attempt was unlike 9/11 because it represented a failure to understand intelligence, not a failure to collect and understand it. The congressional review is more stark than the Obama administration's report. It lays much of the blame at the...