President Trump's legal team is threatening to sue left-leaning think tank Center for American Progress for defamation over a report it issued that found "no evidence that National Guard deployments have reduced violent crime."

A damning study found that Trump’s National Guard deployment has done nothing to reduce crime. Now he’s pissed.

Center for American Progress CEO Neera Tanden says the president is trying to ‘silence’ the group with yet another First Amendment threat