Trump says California cities "destroy themselves" with homelessness

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President Trump escalated his fight with California. He's going after a state that's been one of the most resistant to his presidency, announcing a move that would take on its environmental regulations. And he's also threatening another initiative that would affect one of the most vulnerable populations. MSNBC’s Jacob Soboroff, USAToday LA Bureau Chief Chris Woodyard and Politico White House Reporter Gabby Orr join Craig Melvin to discuss.