May 21, 2013 — As it roared through the Oklahoma City suburb of Moore, packing winds of up to 200 mph, the twister flattened buildings. Searchers continue to look for survivors and those who were killed.

May 21, 2013 — Tim Cook will address reports that his company pays billions less than it should in U.S. taxes each year at a Tuesday hearing in Washington. According to a report by the Senate Permanent Subcommittee on Investigations, Apple avoids the tax payments by shifting profits to subsidiaries in Ireland.

May 21, 2013 — Former IRS Commissioner Douglas Shulman and outgoing acting Commissioner Steven Miller will be grilled. The IRS is under fire because some conservative groups' applications for tax-exempt status were given extra scrutiny in recent years. An inspector general has called the actions "inappropriate."

May 21, 2013 — The deadly collapse of a textile factory in Bangladesh has heightened awareness about cheap clothes. Many Americans have become used to inexpensive clothing, but the garments are also discarded at a remarkable rate: Billions of pounds of clothing are recycled each year; nearly half is exported.

May 21, 2013 — Ray Manzarek, whose keyboard was a trademark of The Doors sound, died at the age of 74 on Monday.