Peter Welch actually said...

I think the other thing that's worth exploring is the public racial reconciliation process, which the United States has never undertaken in ...

If enacted, H.R. 51 would admit the state of Washington D.C. but leave the Twenty-Third Amendment in place.

The Twenty-Third Amendment of the Constitution allows D.C. to participate in Presidential elections.

Congress and the states would not want the few residents of the reduced D.C. to have so much power over the election of the president.