> Then you would expect divergent performance in the D-controlled states (eg. California) vs the R-controlled states (eg. Texas), no? So far, I see all types of states having similar outcomes.

Maybe if it were also possible to lock down borders between states, making them truly separate sovereign nations.

A lot of states had a declining infection rate and looked to be getting things under control, then people traveled to other states and brought back the virus with them.

There are still things only the federal government can do or coordinate.