
Photo Illustration: Sarah Grillo/Axios. Photos by Alex Wong via Getty Images, and Maxym Marusenko/NurPhoto via Getty Images
The next phase of impeachment begins at 10 a.m. today with the first public hearing about President Trump’s actions toward Ukraine — so here’s a look at the witnesses you’re likely to see.
Why it matters: Impeachment so far has been a messy and confusing process, with so many subplots that it’s easy to lose track of what really matters: whether Trump held up military aid and a White House meeting with Ukraine’s new president in exchange for a public promise to investigate Joe Biden’s family.