'It's ILLEGAL': Ret. General says military doesn't take up arms against civilians

During a Tuesday meeting of hundreds of senior military officers, the president said the military should use 'dangerous' U.S. cities as 'training grounds'. Retired Gen. Mark Hertling reacted to the president's remarks on Morning Joe: "I guarantee you that the people in that audience will not execute illegal orders."For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/