The White House released a reconstructed transcript of President Trump’s phone call with Volodymyr Zelensky, the leader of Ukraine. In it, Mr. Trump asks for an investigation into Joseph R. Biden Jr., a potential 2020 rival. We consider what that request means for the impeachment inquiry now underway. Guest: Michael S. Schmidt, who covers national security and federal investigations for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.