Eric Holder faced scrutiny from the Republican-dominated House Judiciary Committee on Thursday regarding the "Fast and Furious" initiative meant to keep guns from reaching Mexican cartels. Holder denied misleading Congress when hundreds of weapons were found at border town crime scenes.

The U.S. Air Force is accused of dumping the remains of at least 274 troops in a Virginia landfill. The practice, reportedly stopped in 2008, is now being investigated by the military and a special counsel.

Jon Corzine, the former CEO of MF Global, has mostly kept silent since the firm imploded and filed for bankruptcy. Thursday, he had a chance to open up. In a rare act of bipartisanship, the House Agriculture Committee voted unanimously to subpoena Corzine, a former New Jersey senator and governor. Speaking before the panel Thursday, Corzine tried to dodge blame for the company's collapse.

President Obama held a brief but wide-ranging news conference Thursday. He began with a brief statement criticizing Senate Republicans for blocking his nominee to head the Consumer Financial Protection Bureau. He also responded to questions talked about Iran, Plan B, a proposed extension of unemployment insurance benefits and Osama bin Laden.

Secretary of State Hillary Clinton has spent the last two days meeting with her NATO and Russian counterparts in Brussels. They've been talking about NATO plans to deploy a missile defense system in Eastern Europe, to counter "rogue" Iranian weapons. Russia, again, raised objections last month — and even threatened to pull out of the latest U.S.-Russia nuclear weapons treaty.

The plan, developed after the 2007 shooting spree that left 33 people dead on campus, used phone alerts, text messages, classroom message boards, computer desktop alerts and outdoor sirens.