Last week, Amy Klobuchar became the latest Democratic presidential hopeful to say out loud that cities and towns need to let people build more housing. She joined Cory Booker, Julián Castro, and Elizabeth Warren in proposing a more active federal role in getting state and local governments to loosen zoning rules—a topic that, up to now, has not figured prominently in campaigns for the White House.
The four candidates are demonstrating how much traction the YIMBY movement—the “yes in my backyard” campaign to roll back bans on new houses and apartments—has gained in Democratic policy circles. They and other Democratic candidates are sending an important message: A housing crunch in metro areas where tens of millions of Americans live is the kind of problem a president should worry about. […]