Legendary #Maddow: "Active duty U.S. soldiers [thanks to #Trump EO] now have the authority to arrest and search people...on U.S. soil...Brennan Center is calling this a slippery slope, saying if soldiers are allowed to take domestic policing roles at the border, it may become easier to justify uses of the #military in the U.S. interior in the future. Our nation's founders warned against the dangers of an army turned inward."