Answer my question, do you believe the Executive Branch has the authority to violate law and Constitution when it comes to immigration?Post the law that you believe he is violating.
Immigration and Nationality Act (INA) (8 U.S.C. § 1101 et seq.)
Administrative Procedure Act (APA) (5 U.S.C. § 551 et seq.)
Don't forget the 5th and 14th Amendments.