The senior U.S. diplomat to Ukraine, William Taylor, testified Tuesday that President Trump held military aid to Ukraine until the president of Ukraine would publicly announce investigations into the Bidens and Ukrainian interference into the 2016 election. In this installment of the FiveThirtyEight Politics podcast, the crew discusses the significance of the testimony and what it means for Republicans and Democrats going forward.

You can listen to the episode by clicking the “play” button in the audio player above or by downloading it in iTunes, the ESPN App or your favorite podcast platform. If you are new to podcasts, learn how to listen.

The FiveThirtyEight Politics podcast publishes Mondays and Thursdays. Help new listeners discover the show by leaving us a rating and review on iTunes. Have a comment, question or suggestion for “good polling vs. bad polling”? Get in touch by email, on Twitter or in the comments.