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DeWayfarer Roberts excluded the evidence in both those trials.
How fast will it happen?
THIS fast.
I expect that there would be a privileged resolution introduced in the House the same day, possibly within hours, of the invasion. This bypasses normal committee action and would move to the floor quickly.
Denmark will certainly ask that Article 5 of the NATO charter be invoked. The U.S. may try to stall, but other NATO members will consider throwing the U.S. out of NATO. A delay will result in how expulsion would work since there is no such clause. This will give Congress a day, two at the most, to act.
Speaker Johnson will see the writing on the wall and approve the "privileged" status. A floor vote will be set, likely for the next day at the latest, and each side will be allotted equal times, perhaps two hours at maximum.
Impeachment will require a simple majority. It will be a done deal. Secretary Hegseth will likely be impeached at the same time.
The articles of impeachment will be sent to the Senate. Depending on the vote, the Senate may convene the same night or the next day at the latest.
Since the "evidence" is Trump's orders (and possible a televised announcement) and the NATO charter, there is essentially nothing for Roberts to rule on. If he would to even attempt the absurd notion of ruling the actual invasion as not evidence, he'd face impeachment himself (as would any justice that would replace him). The Senate would likely convict the same day the "trial" started, possibly within hours.
President Vance would then be told by Congressional leaders he has X amount of hours to remove U.S. troops from Greenland or he would be impeached (and convicted) as well.