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 - An al-Qaida affiliate in Yemen apparently ordered the Christmas Day plot against a U.S. airliner, training and arming the 23-year-old Nigerian man accused in the failed bombing, President Barack Obama said Saturday.

AP - A cargo ship and a chemical tanker have both been hijacked by pirates in the perilous waters off the coast of Somalia, bringing to four the number of ships seized in the past week, officials said Saturday.

AP - A Somali man was charged Saturday with two counts of attempted murder for an attack on a Danish artist whose 2005 cartoon of the Prophet Muhammad ignited riots and outrage across the Muslim world, authorities said.