This has been covered around here in great detail.
The first step in the 25th amendment is that the Vice President has to start the process.
If they do not do so then nothing happens.
Congress enters late in the process—and is irrelevant in the early stages.
Thanks, I did not know this.I thought it was the Senate.
Well, looks like all that we have is the Fort Marcey Park option.Or perhaps a canoe ride on the Potomoc.