The correct approach to "stop the unamerican, illegal, and unconstitutional actions he takes" is to impeach the President.
Yes, really, that is the **correct** response. It means he should **no longer** be President, not because a lot of people oppose him, but _because of his actions as President._
All we need is for the House of Representatives to act on their Constitutional responsibility, and the Senate to consider their arguments as statesmen and jurists.