This year's midterms could see a big slate of extreme candidates. At least 19 House districts in 12 states across the U.S. with hyper-partisan districts won't have incumbents - setting the stage for heavily partisan candidates.

• Plus, the US orders diplomats’ families out of Ukraine.
• And, 3D printing for cars.

Guests: Axios' Stef Kight, Dave Lawler and Joann Muller.

Credits: Axios Today is produced in partnership with Pushkin Industries. The team includes Niala Boodhoo, Sara Kehaulani Goo, Julia Redpath, Alexandra Botti, Nuria Marquez Martinez, Lydia McMullen-Laird, Sabeena Singhani and Alex Sugiura. Music is composed by Evan Viola. You can reach us at podcasts@axios.com. You can text questions, comments and story ideas to Niala as a text or voice memo to 202-918-4893.