A massive tornado ripped through the southern suburbs of Oklahoma City, Monday afternoon.

Helicopter images showed large tracts of Moore, Okla., completely leveled by what the National Weather Service says was at least an EF-4 tornado with winds in excess of 166 mph. The tornado stayed on the ground for 40 minutes and traveled 20 miles.

William von Schneidau, an intrepid butcher in Seattle, is giving a whole new meaning to "potbelly pig." Lately, he's been feeding marijuana refuse to the pigs he turns into prosciutto for BB Ranch, his butcher shop in the city's famous Pike Place Market.

Pot-scented bacon? Well, not quite.

ABC News White House correspondent Jonathan Karl now says he regrets that some key parts of a major story he reported on May 10 were wrong.

The story sent off a political uproar. As we said last week, it made it appear that in a Sept. 14, 2012, email a top White House aide had come down on the side of the State Department to push for downplaying any terrorist connection to the attacks on Americans in Benghazi, Libya.

Christopher Lorek and Stephen Shaw, the two FBI agents who died in a training accident on Friday off the coast of Virginia Beach, Va., were part of the bureau's Critical Incident Response Group.

According to the FBI, that unit:

"Consists of a cadre of special agents and professional support personnel who provide expertise in crisis management, tactical operations, crisis negotiations, hostage rescue, hazardous devices mitigation, critical incident intelligence, and surveillance and aviation.