JEFF COHEN and NORMAN SOLOMON – Defenders of sticking with Biden glibly dismiss negative poll numbers while noting that polls in January can’t tell us where persuadable voters will end up in November. But there’s a serious problem beyond just polls. It’s the disaffection of activists – pivotal because thousands of talented, hard-working activists are needed to help persuade voters on the fence, and to get-out-the-vote of traditional Democrats who are only “occasional voters.”