‘This one is very big’: Analyst weighs in on Cohen’s claim Trump knew about Trump Tower meet

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NBC News legal analyst Ari Melber joins TODAY to discuss lawyer Michael Cohen’s claims that President Trump knew about a 2016 Trump Tower meeting involving a Russian lawyer, Donald Trump Jr. and other Trump aides. “Either Micheal Cohen is desperately waving a flag because he wants to get something back from Mueller or others,” he said. “Or it’s always possible the Trump folks have determined this is now a hostile witness … and they want to get this out in public so nobody continues ‘lying.’”