This week: How internet trolls are trying to turn innocuous hand signals into white supremacy symbols, a look at how President Trump’s affinity for authoritarian leaders shapes U.S. foreign policy, and Sean Spicer’s update on the border wall. (Don't call it a fence.)

Hosted by Kate Nocera and Charlie Warzel. Today's guests are Joe Bernstein, a technology reporter, and Hayes Brown, deputy world news editor. For more, visit buzzfeed.com/news.

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