More Americans are expected to vote by mail this year than ever before. But President Trump has called the U.S. Postal Service "a joke," and now a major GOP donor runs the organization. A USPS employee tells NPR's Noel King that changes from the new Postmaster General are making her job harder.And NPR's Pam Fessler reports that secure drop boxes for ballots could help some states rely less on the mail.If you want to hear NPR's latest coverage on Joe Biden's pick for Vice President, Senator Kamala Harris, the NPR Politics Podcast will have a new episode on Tuesday evening — listen on Apple Podcasts or Spotify. NPR's Up First will have more Wednesday morning — also on Apple Podcasts or Spotify. Find and support your local public radio station.Email us at considerthis@npr.org.