In explosive testimony, Gordon D. Sondland, the United States ambassador to the European Union, directly implicated President Trump, Vice President Mike Pence, Secretary of State Mike Pompeo and other top administration officials in what he said was a push for a “clear quid pro quo” with the president of Ukraine. But during questioning, things got complicated. “The Latest” is a new series on the impeachment inquiry, from the team behind “The Daily.” You can find more information about it here.