Impeachment can only be done to a person while holding a public office, such as President.

Pelosi insists on the necessity to impeach Trump.

Pelosi continues to refer to Donald J. Trump as President.

Trump’s impeachment defense team wanted to argue that the constitution does not allow for the impeachment of former office holders, like the former president, Mr. Trump.

Trump wanted the defense team to argue the the election was stolen, not about the constitutional point.

The defense team agreed with Trump that they would withdraw form the case.

Conclusion: Donald J. Trump is still President of the United States of America, although this is not publicly known or acknowledged. Trump is still in command of the military, and Biden is being allowed to serve as a distraction, temporarily.