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President Donald Trump vowed retaliation for the killing of two U.S. Army soldiers and an American civilian interpreter in Syria on Saturday. U.S. officials told PBS News that the shooter had ties to ISIS and had infiltrated Syrian security forces. The Pentagon said the two soldiers and the interpreter were ambushed by a lone gunman in the city of Palmyra while taking part in ongoing counterterrorism missions. The gunman, who was already under investigation for his ties to ISIS, was killed, acco

Surveys consistently rank Patagonia as one of the most reputable brands in America, not just for its outdoor gear, but also for being good environmental stewards. The story of both the company and its iconoclastic founder is told in a new book, “Dirtbag Billionaire: How Yvon Chouinard Built Patagonia, Made a Fortune, and Gave It All Away.” John Yang spoke with author David Gelles for more. #pbsnews #pbsnewshour #pbs #patagonia #Yvonchouinard #billionaires #environmentallyfriendly #outdoors #newb

We Found T-Rex's Lost Ancestor!

WATCH: Australia’s social media ban for children begins