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A massive tornado ripped through the southern suburbs of Oklahoma City, Monday afternoon, killing at least 51 people, according to the state medical examiner's office.

The death toll was expected to rise.

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.

Yahoo's $1.1 billion purchase of Tumblr could be considered a bargain compared with its other big-dollar bets. The company's history is dotted with pricey purchases of once-hot Web properties that had more promise than eventual purpose. A look back:

GeoCities, 1999: $3.7 Billion

When movie stars become unbankable, they're no longer a slam dunk at the box office. When investments become unbankable, they're relegated to the Wall Street's junk pile. For ordinary Americans deemed unbankable — those who don't have a traditional checking or savings account — it can be hard to simply pay bills.

And that absence of a bank account is about to become a big problem for those who also lack health coverage — and for the health insurance companies trying to sell them coverage. After all, how do you sell a product to a customer who has no easy way to pay you?

Fox News said that it was "outraged," after learning that the Justice Department obtained the personal emails of one of its reporters during the course of a 2009 leak investigation.

The people of Portsmouth, England, on Monday turned out to bid farewell to the aircraft carrier HMS Ark Royal, destined for a Turkish scrap yard after its decommissioning two years ago.

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 Marke

The Internal Revenue Service is under fire for improperly singling out some conservative groups for extra scrutiny — putting them through months (or longer) of questions that delayed or derailed the organizations' requests for tax-exempt status.

Well, now the chairman and ranking Republican on the Senate Finance Committee have some questions and requests — actually dozens of them — for the IRS.

Beijing has long been about the closest thing to an ally that Pyongyang enjoys, but the seizure of a Chinese fishing boat by unidentified North Koreans has threatened to put an already tenuous relationship on even shakier ground.

Chinese Foreign Ministry spokesman Hong Lei was quoted by The New York Times as making it fairly clear that his government was not happy about the development.

Over the past week, Pope Francis has launched a crescendo of attacks on the global financial system and what he calls a "cult of money" that does not help the poor.

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.

After uproar over some lesson plans some conservatives deemed un-American, a Texas company has decided scrap a curriculum system used by 877 school districts that were too small or too poor to produce their own.

Men who were diagnosed with ADHD as children are more likely to be obese in adulthood, according to a new study.

The men who had ADHD weighed 19 pounds more at age 41 than otherwise similar men who hadn't had ADHD as boys, the researchers found.

Transcript

MICHEL MARTIN, HOST:

I'm Michel Martin, and this is TELL ME MORE, from NPR News. Coming up, when you think about poverty in this country, you might think about certain people living in certain places. It turns out that some of those old assumptions are wrong. For example, more poor people now live in the suburbs. We'll talk about why that is in just a few minutes.

NBC announced Monday that Deborah Turness, the former editor of the British ITV News, will become president of NBC News beginning in August.

Turness, the network said, becomes the first woman to head the news division of one of the Big Three television networks in the United States.

One way to know how much soda people drink is to ask them.

The problem? We tend to underestimate, lie or forget what we've consumed.

And this is a challenge for researchers who study the links between sugar-sweetened beverages and obesity.

A challenge to the way a western New York State town board has had prayers read before its public meetings has made its way to the U.S. Supreme Court.

The justices announced Monday morning that they will hear oral arguments in the case of Greece, N.Y. v. Galloway, Susan.

The union that represents 12,000 officers who process immigration applications said they will oppose a bipartisan bill that seeks to overhaul the nation's immigration policies.

As Fox News reports, The National CIS Council is the second union to oppose the bill being discussed in Congress. The National ICE Council, which represents Immigration and Customs Enforcement officers, has expressed its opposition to the bill for a while now.

Fox reports:

Good morning.

Our early headlines:

-- Pledging Not To 'Screw It Up,' Yahoo Seals Deal For Tumblr.

-- FBI Agents Killed In Training Accident Worked In Elite Unit.

The news that broke Sunday is now official.

Yahoo confirmed early Monday morning that it is buying Tumblr in a deal worth about $1.1 billion. "Per the agreement and our promise not to screw it up, Tumblr will be independently operated as a separate business," Yahoo added.

In its statement announcing the deal, Yahoo says that:

Closing arguments are set to take place Monday in the federal class action trial involving New York City's stop-and-frisk policy. The trial has been going on for two months in Manhattan.

Plaintiffs in Floyd v. City of New York claim the New York Police Department, its supervisors and its union pressured police officers to stop, question and frisk hundreds of thousands of people each year, even establishing quotas. They argue that 88 percent of the stops involved blacks and Hispanics, mostly men, and were in fact a form of racial profiling.

The daily lowdown on books, publishing, and the occasional author behaving badly.

Transcript

STEVE INSKEEP, HOST:

Good morning. I'm Steve Inskeep. Germany paid a price for asserting its financial power. Germans, more than others, had to finance bailouts for countries like Greece, and imposed austerity measures in return. Those who disapprove may have struck back. People across the continent and beyond watched the Eurovision song contest.