As a follow-up to my earlier post on the age problem facing the Democratic Party, a new poll from a Democratic pollster shows that the risk for the Left is actually much larger than The Hill assumes. The poll from Greenberg Quinlan Rosner shows a significant opportunity for Democrats to narrowly take control of the Senate in 2016, but that millennials are barely engaged in the election. Nor are other Democratic constituencies generating anywhere near the heat of Republicans, gearing up for some of their own hope and change after eight years of Obama. Here’s the key graph from the...