Are Democrats being overconfident about 2018? One pollster says they are.

The 2018 midterm elections are a mere 557 days away, and Democrats are feeling quite confident. There are many reasons to think that we could be headed for a sweep to rival what they accomplished in 2006 when they took back both houses of Congress.

But at least one Democratic pollster is warning his fellow Dems that they could actually be heading for terrible disappointment, and he raises some intriguing questions. CONT.

Paul Waldman, Washington Post