Democrats believe that by talking incessantly about affordability, they can deliver a knockout blow to Republicans in next year’s midterm elections.

Such was certainly the advice of a policy paper released this week by the left-leaning Center for American Progress. In it, the authors zeroed in on housing, urging elected officials and candidates to prioritize the construction of new homes as a way to lower prices for rent and mortgages, and bring voters back into the Democratic Party fold.