Critics say that full-body scanners are costly, invasive, and will slow airport security further. The Puffer and the Guardian are alternatives, though not yet fully developed.

Republicans have focused blame for the security failures of Northwest Flight 253 on Homeland Security Secretary Janet Napolitano. But there are other reasons that many conservatives are dissatisfied with her.

Yemenis are the largest group of Guantánamo detainees. But key senators want to halt further transfers to Yemen in light of the Chistmas airline attack, which has been linked to Al Qaeda operatives there.

AP - A suicide bomber detonated his explosives-packed vehicle in a crowd of people watching a volleyball tournament in northwest Pakistan, killing 88 people in the deadliest attack in the country in more than two months.

AP - With all the screening technology at U.S. airports, the last line of defense is still the human hand: the pat-down search.

AP - The Fox television network and Time Warner Cable reached a programming deal in principle on Friday, after leaving millions of people in the lurch about whether they'd be able to see an anticipated college football matchup and other shows on cable TV.