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After retests of samples from the 2008 Beijing Olympics, 31 athletes from 12 countries in six sports could be banned from this summer's Olympic Games in Rio de Janeiro, the International Olympic Committee said Tuesday.

In a statement, the IOC said it retested 454 samples from the 2008 Beijing Games, using "the very latest scientific analysis methods." The retesting yielded suspicious results from dozens of athletes.

"All those athletes infringing anti-doping rules will be banned from competing at the Olympic Games Rio 2016," the statement from the IOC said.

At White House state dinners, it's customary for a president to nod to the strengths and contributions of guest countries. And when hosting Nordic nations on Friday, President Obama paid tribute to a particular Finnish export.

Riot police in Paris used water cannons and tear gas to disperse protesters who had hurled rocks and other objects at officers. Truckers blocked roadways and railroad workers joined the strikes.

Esam Omran Al-Fetori/Reuters

Banking in a failed state like Libya requires a leap of faith. 

Some bank tellers there are thought to be collecting customers' information and colluding with the kidnappings so rampant now in the north African nation.

That's according to Tripoli businessman Alaeddin Muntasser, who spoke after the US and 20 other nations on Monday announced they were considering training and arming the Libyan government.

Jonathan Ernst/Reuters

Considering that Donald Trump has called for a "total and complete shutdown of Muslims" entering the US, it's hard to imagine many Muslim Americans are ready to vote for him.

Saba Ahmed is trying to change that.

Sundarbans literally means "beautiful forest," but as the novelist Amitav Ghosh writes, "There is no prettiness here to invite the stranger in." The largest mangrove forest in the world — home to man-eating tigers and hungry tides — is already seeing the impact of climate change.

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Last week's episode of The Mindy Project finally addressed a lingering criticism of the show — that it doesn't explore Mindy's "otherness." In it, Dr. Mindy Lahiri — the character played by series creator Mindy Kaling — goes on a date with an Indian man named Neel. He is, as Mindy admits to him, the first Indian guy she's gone out with. She also tells him she knows little about the place her parents came from.

USA TODAY Sports/Reuters/Kim Klement

You know how it usually goes is: A team owner sweet talks the public into putting up millions of dollars for a new stadium.

In return, we get to watch our favorite athletes do their thing — for a hefty price.

But people, and city councils, are souring on the idea of publicly-financed stadiums. Enter the owner of Orlando City. It's one of the newest teams to join Major League Soccer.

And it's owner, Flávio Augusto da Silva, came up with a clever way to raise the cash: foreign investment. It involves a little-known, but controversial, program called the "EB-5."

Richmond Castle has been standing since shortly after William the Conqueror invaded England in 1066.

Throughout its long history, the fortress in North Yorkshire has held a lot of prisoners. Surprisingly, it was still being used for this purpose as recently as 100 years ago, during World War I.

Conscientious objectors — people who refused to take part in the war on moral or religious grounds — were held in the castle's tiny cells.

And while they were there, they scratched messages of protest and pictures into its walls. A kind of World War I graffiti.

Chinese companies are on a major shopping spree in the U.S. They're set to break a record for investment deals this year, snapping up everything from entertainment companies to methanol plants.

Most of these investments are takeovers, though Chinese companies are also expanding their existing operations to the U.S.

They include Fuling Plastic, one of China's largest manufacturers of plastic cutlery, cups and straws. Its biggest customers are fast food chains in the U.S.

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Russia's top prosecutor is threatening to ban the Jehovah's Witnesses for alleged "extremism."

The religious denomination has faced growing pressure in Russia over the past several years, with church members arrested and confiscations of church property.

The Jehovah's Witnesses aren't alone. Other denominations, such as the Mormons, are also under pressure.

Andrew Gill/WBEZ

By 2024, students who are racial minorities will make up more than half of US classrooms. But minority teachers, if hiring continues at its current pace, will make up only 20.5 percent of the educator workforce. Even 100 years from now, if trends persist, teachers and students in this country will not have comparable levels of diversity.