Looks like you can create a PR about on the notebook and/or run it now if you're curious: https://github.com/k-sys/covid-19/blob/master/Realtime%20R0.... as the data source has territories and the capital but they filtered out anything that's not a state.

The District of Columbia is not a state, and yet is included.

You should write to them: hello at rt.live

I did, before I commented here.