A roundup of some of the most popular but completely untrue headlines of the week. None of these stories is legit, even though they were shared widely on social media. The Associated Press checked these out; here are the real facts:

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NOT REAL: The crisis actors of Florida Parkland school shooting

THE FACTS: Suspicion that students speaking to the media about the Florida school shooting that killed 17 were "crisis actors" who had not really been there sparked hundreds of false claims online. Much attention was focused on David Hogg and Emma Gonzalez, who spoke repeatedly on national televisi...