it is in the Constitution that there will be no infringement of trade across   state lines.  But self serving restrictions  put up  barriers to health insurance for workers in one state after another. Trump is right  to allow people and business to  find insurance at lower cost anywhere  in  the nation,  just as they can buy cars,  food  or clothing  made in one state and sold in another.  Why should a trucking company in kansas not be permitted to get a good deal on insurance from a company in Florida?