Roll Call report includes these quotes from Rick Hasen:

‘“Every step that is taken to try to minimize those risks going forward is a positive thing,” [Hasen] said. “But nobody should be under the illusion that if this thing passes, we’re somehow out of the woods.”

There’s no guarantee that any package of laws will completely eliminate the possibility of election cheating, he said, but Congress can anticipate the unexpected by using institutions like the federal courts to referee future disputes.

“There could be many different kinds of threats,” he said. “And so, the precise way to deal with that is to come up with the least worst decision-maker in the case of a dispute, and probably that’s the federal courts.”‘