He is undoubtedly correct on the beneficial consequences to the government of forced deportation without due process. Yet deportation without a trial is profoundly unconstitutional.
But it is not the role of Congress to do this in the midst of a criminal investigation, and it is not the role of a congressional intelligence committee to scrutinize law enforcement.
The president’s pardoning power has no limits in the Constitution. Yet the rule-of-law principle that one cannot be the prosecutor or judge in one’s own case suggests that the president’s pardoning power is limited to people other than himself.
This past weekend, President Donald Trump and the most visible member of his legal team, former New York Mayor Rudolph Giuliani, fired up their campaign against special counsel Robert Mueller.