Ryan needs to be stopped, but no one seems capable of doing it. If Trump folds on DACA or Congress under Ryan’s and McConnell’s leadership pass a bill that is amnesty by whatever name, and Trump signs it, then Trump will have been neutralized.
DACA was a flawed policy from the first, and its very shaky legitimacy is based on a very poor interpretation of the 14th Amendment, which defines citizenship according to the place of birth, or of later naturalization.
These individuals, by entering the United States under illegal circumstances, are NOT subject to the jurisdiction of the United States, but are expatriates subject to the jurisdiction of the country in which they were born.