Analysis of Obama's cabinet picks

London police say two men used a knife and a cleaver to hack a man to death. The man was then videotaped by an unharmed passerby and waited for police to arrive. Charlie D'Agata reports.

Ibragim Todashev, a friend of the accused Boston Marathon bomber Tamerlan Tsarnaev, was shot dead by an FBI agent during questioning in Orlando. Todashev was being questioned about a grisly triple murder believed to be committed by the two men. Bob Orr reports.

Lois Lerner, the IRS manager at the heart of the political targeting scandal, delivered an opening statement Wednesday before a congressional committee, but she refused to take any lawmakers' questions. Nancy Cordes reports.

The sight of the damage caused by Monday's tornado was almost more than some survivors could bear. Anna Werner reports on Oklahomans returning to see up close what's left of their possessions.

Not every school building in Tornado Alley is required to have a shelter to protect children during a storm. Two of the buildings hit hardest by the tornado in Moore, Okla., were schools that did not have underground shelters. Elaine Quijano reports.

The state of Oklahoma has often had the bad luck of being in the headlines for tragedies caused by both man and nature. The city of Moore itself has experienced four tornadoes since 1998. Richard Schlesinger reports on the strength of this state.