Two witnesses seen as crucial to the case against President Trump in the impeachment inquiry testified Wednesday.

Much of what was said by acting U.S. Ambassador to Ukraine William Taylor and George Kent, the State Department's top official on Ukraine policy, was previously known from their lengthy depositions released last week.

But there were some new things — and several moments that stood out. Here are seven:

1. A new detail from a new witness emerges

Felony murder is not your average murder. Juvenile justice advocates call felony murder laws arcane and say they unfairly harm children and young adults. Prosecutors can charge them with felony murder even if they didn't kill anyone or intend to do so. What's required is the intent to commit a felony — like burglary, arson or rape — and that someone dies during the process.

A U.S. appeals court opened the door for Congress to gain access to eight years of President Trump's tax records, setting the stage for a likely review by the U.S. Supreme Court.

The full U.S. Court of Appeals for the D.C. Circuit declined to revisit an earlier ruling by a three-judge panel that allowed Congress to subpoena the president's tax records. The House Oversight and Government Reform Committee subpoenaed those records in March.

Updated at 5:15 p.m. ET

President Trump had what he called a "wonderful and very productive" meeting with Turkish President Recep Tayyip Erdogan on Wednesday, at the same time as House impeachment hearings got underway on the other end of Pennsylvania Avenue.