Don't think it will affect any "R" votes and absolutely won't affect the votes against.
At worst, Schumer could emote about how the whole thing should just be put off #justbecausehewantsitthatway, but even with this Black Mark, Barr may just be as close to a lock for the AG job as you could find.
Only real effect, JMHO, just might be a sudden epidemic of elite types (including office holders) suddenly discovering urgent need to leave DC/US after reading these last few Q drops.
I'm going to be up early tomorrow to check the Sunday Morning Dreadfuls for sudden reschedules just because of that hunch......
Nobody to the left of Romney seems to have had a good day since SOTU, and Romney didn't look exactly full of joy either.
I hope you are right... see my #1138.