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This week, the First Global Challenge, a highly anticipated robotics competition for 15- to 18-year-olds from 157 countries, ended the way it began — with controversy.

On Wednesday, members of the team from the violence-torn east African country of Burundi went missing. And well before the competition even began, the teams from Gambia and Afghanistan made headlines after the U.S. State Department denied the members visas. Eventually, they were allowed to compete.

The drama marred an otherwise upbeat event focused on kids and robots.

In this week's edition of our education news roundup, we take you from school vouchers to AP exams to community college.

Betsy DeVos speaks to American Legislative Exchange Council

Protests greeted the education secretary in Denver this week at her speech to the American Legislative Exchange Council. Her family has close ties to the organization, which brings together state legislators, free-market conservatives and corporate sponsors to write model bills that get adopted all over the country.

NPR reporters are returning to their hometowns this summer to find out how they've changed – from job prospects to schools and how people see their community and the country.

Once home to thriving timber and fishing industries, Gold Beach, Oregon now subsists on tourists and retirees looking for a quiet beach, a nice river trip and, in a few cases, marijuana.

I left Gold Beach after graduating from high school in 1985. Back then, it was a blue-collar town dominated by the timber industry.

Updated July 22 at 2:03 p.m. ET

The president's eldest son and his former campaign manager have agreed to negotiate with the Senate Judiciary Committee to voluntarily provide documents and to appear behind closed doors. But they are not expected to appear at a hearing of the committee set for Wednesday, the committee's communications director told NPR on Saturday, adding the two men could appear "perhaps at a future hearing."

Meanwhile, the House Intelligence Committee says it wants to interview the president's son-in-law, Jared Kushner.

Leaving federal government service after decades can be, well, liberating.

Just ask James Clapper, the former director of national intelligence, and John Brennan, the former leader of the Central Intelligence Agency. They unloaded on President Trump and the "baffling" way he has embraced Russia while criticizing his own intelligence apparatus during a session at the Aspen Security Forum on Friday in Colorado.

Amid outrage over the fatal police shooting of a woman who had called 911 for officers' help, Minneapolis Police Chief Janee Harteau has resigned. The killing inspired protests and bewilderment in the city, as residents waited for details on why the officer fired at Justine Ruszczyk. Protesters disrupted a news conference by the mayor on Harteau's successor and demanded that the mayor herself resign.

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As general sessions judge for White County, Tenn., Sam Benningfield says the vast majority of cases he hears are drug-related offenses. The opioid epidemic has hit the state especially hard — resulting in more than 1,400 drug overdose deaths there in 2015 alone, according to the CDC — and he felt that an unusual solution would be necessary to drive home the dangers of illegal drugs for would-be parents.

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