The Trump administration has so far abided by judicial rulings in the case of the travel bans, diverting a potential crisis, experts said. Likewise, Trump might comply with a ruling in the case of any firing of justice department officials, Posner said.
“I think probably the thing to look for is a judicial order that the president defies,” he said. “That’s the clearest evidence that a constitutional crisis exists.
“So for example, if Trump fired Mueller and a court reinstated him, and Trump ordered the treasury department not to pay his salary, or the justice department not to give him a budget, or something like that, that would be a clear constitutional crisis.”
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