Checking Zillow is not an ideological activity.Jordan Vonderhaar / Bloomberg / GettyFor days before his State of the Union address last week, there were whispers that Joe Biden would make a major push to expand the nation’s housing supply—a possibility that worried the yes-in-my-backyard activists who push for more construction in communities across the country. Political polarization in the United States has grown so dire that getting the president on your side can backfire. The morning of the ...