Gavin Newsom on Tuesday attempted to re-gain the upper hand in their legal fight with the Trump administration over the president's decision to deploy the state's National Guard in response to protests in Los Angeles over the objections of the governor.

MSNBC Legal Correspondent Lisa Rubin joins MSNBC’S Lawrence O’Donnell to discuss the argument Trump’s lawyers presented in the appeals court hearing on deploying the California National Guard: that the president “has the authority to deploy the national guard whenever he is unable to execute the forces with regular law.