Donald Trump's contention that he can legally fire anyone employed by the federal government despite a 90-year Supreme Court ruling could be validated by the current conservative majority on the court which would be "disastrous" according to one court watcher.

It’s a legal showdown over presidential power and the due process afforded to those deported to foreign countries.

Donald Trump asked the US Supreme Court to let his administration resume deporting alleged Venezuelan gang members without hearings, escalating a high-profile showdown that is testing the ability of federal judges to enforce limits on the president’s power.