That's not how it works. Donald Trump is not in the line of succession anywhere. If the POTUS dies/removed/whatever, then the VP takes over. Something happens to her, it goes to the Speaker of the House, the President Pro Tem, Sec of State, and so on.
All of those are Dems.
If all of them (including all of Congress let's imagine) were to be wiped out then one of 2 things could happen -- either the Deputy Secretary of State or whoever would be Acting Secretary of State [probably a career official] would accede to be SOS and also Acting POTUS.
Either that or if governors can appoint 100 new Senators in time, the Senate would vote on a new Pro-Tem [either seniormost Dem or Rep at that point depending on the balance of power with gubernatorial appts.] and they would be Acting POTUS, depending on whether the appointments or the ascension of Deputy SOS to SOS would happen first.
It is unclear however if Acting Secretaries can become Acting President, since it has never happened and it has never been answered by the SCOTUS. Thus, the most plausible option would be that one of the Congressional leaders (if all of Congress were to be wiped out, 100 new gubernatorial appts and new elected Pro Tem, if the House still exists then SOTH) would be Acting Pres.
Bottom line is if military were to "remove Joe and Kamala" like some here are fantasizing, it would go down to the line of succession. If everyone in the line of succession didn't exist (i.e. something catastrophic happened to all of DC), the most plausible manner for choosing an acting POTUS would be through senatorial appointment and the Senate voting on a new Pro Tem.
There is no "reverting" to the old administration. They're not in the line of succession. Their terms have expired.
That's not how it works. Donald Trump is not in the line of succession anywhere. If the POTUS dies/removed/whatever, then the VP takes over. Something happens to her, it goes to the Speaker of the House, the President Pro Tem, Sec of State, and so on.
All of those are Dems.
If all of them (including all of Congress let's imagine) were to be wiped out then one of 2 things could happen -- either the Deputy Secretary of State or whoever would be Acting Secretary of State [probably a career official] would accede to be SOS and also Acting POTUS.
Either that or if governors can appoint 100 new Senators in time, the Senate would vote on a new Pro-Tem [either Leahy or Grassley depending on the balance of power with gubernatorial appts.] and they would be Acting POTUS, depending on whether the appointments or the ascension of Deputy SOS to SOS would happen first.
It is unclear however if Acting Secretaries can become Acting President, since it has never happened and it has never been answered by the SCOTUS. Thus, the most plausible option would be that one of the Congressional leaders (if all of Congress were to be wiped out, 100 new gubernatorial appts and new elected Pro Tem, if not then SOTH) would be Acting Pres.
There is no "reverting" to the old administration. They're not in the line of succession. Their terms have expired.