Laurel Wamsley

When Facebook CEO Mark Zuckerberg was grilled on Capitol Hill last month, Sen. Lindsey Graham asked him whether his company faces any real competition: "If I buy a Ford, and it doesn't work well, and I don't like it, I can buy a Chevy. If I'm upset with Facebook, what's the equivalent product that I can go sign up for?"

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Wembley, London's iconic national stadium, could soon be owned by an American.

The Football Association of England, which owns the stadium, said it had received an offer from Shahid Khan, the billionaire owner of the NFL's Jacksonville Jaguars. Wembley is home to England's national football team.

At schools across the country today, students are getting up from their desks and walking out when the clock strikes 10 a.m. They're participating in the National School Walkout, part of the movement that has taken hold among students to call for action to end gun violence.

Today marks 19 years since the shooting at Columbine High School in Littleton, Colo., in which two high school students shot and killed thirteen people.

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