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An airstrike hit a refugee camp in Syria near its border with Turkey, and activists say at least 28 civilians were killed.

NPR's Alice Fordham tells our Newscast unit that "only the Syrian regime and its allies conduct strikes in the area." Here's more from Alice:

"Activists in the camp in the province of Idlib uploaded video of women and children wounded in the strike being evacuated in flatbed trucks. Tarpaulin tents are flattened.

Don't add House Speaker Paul Ryan to the list of Republicans who are, even reluctantly, backing de facto GOP presidential nominee Donald Trump.

"I'm just not ready to do that at this point. I'm not there right now," the party's 2012 vice presidential nominee said in an interview on CNN's The Lead with Jake Tapper.

The Wisconsin Republican signaled he would eventually like to support Trump, who became the GOP's likely White House nominee this week after both Texas Sen. Ted Cruz and Ohio Gov. John Kasich withdrew from the race.

Bourang Ba was a young farmer in Sitacourou — a sleepy village of scattered thatched roof dwellings where cattle chomp on hay in courtyards. Last year, the father of two set out for Europe, leaving behind his son, daughter and young wife, Nialina. Like his two half-brothers who had already migrated to Spain, he hoped to send money home for the family.

Bourang Ba never made it to Europe. He drowned in the Mediterranean en route.

"He wanted to do his bit and provide for his relatives, so he left without telling me," sobs Wassa Ba, Bourang Ba's father.

Let's say you're an environmentally motivated eater. You want your diet to do as little damage as possible to our planet's forests and grasslands and wildlife.

But how do you decide which food is greener?

Take one example: sugar. About half of America's sugar comes from sugar cane, and half from sugar beets. They grow in completely different climates. Sugar cane is a tropical crop, and sugar beets grow where it's colder and dryer.

Each one has an impact on the environment — sometimes a dramatic impact — but in very different ways.

Starting Wednesday night at sunset, Israel marked Holocaust Remembrance Day. Commemorations continued in schools around the country Thursday, including in kindergarten classes.

This year, Israel is fully implementing a Holocaust curriculum for kindergartners.

"We need to teach the kindergarten teachers what to do on Yom Hashoah, because they have to make sense of the day," says Yael Richler-Friedman, using the Hebrew name for the remembrance day.

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