An attempt to blow up a trans-Atlantic flight from Amsterdam to Detroit on Christmas Day would be all-consuming for the administrator of the Transportation Security Administration -- if there were one.

The post remains vacant because Sen. Jim DeMint, R-S.C., has held up President Barack Obama's nominee in opposition to the prospect of TSA workers joining a labor union.

As al Qaida claimed responsibility Monday for the thwarted attack and President Barack Obama made a public statement about it, Democrats urged DeMint to drop his...

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