This morning, the House of Representatives begins public hearings in the impeachment inquiry against President Trump. Before those hearings get underway, we sat down with someone who’s unafraid to ask all the questions we’ve been too embarrassed to say out loud.   Guests: Michael S. Schmidt, who covers national security and federal investigations for The New York Times, spoke with Bianca Giaever, a producer for “The Daily,” and Leo, a third grader, to answer his questions about the impeachment inquiry. For more information on today’s episode, visit nytimes.com/thedaily.  Background reading: In the first nationally televised hearings of the impeachment inquiry, Democrats will look to make the case that Mr. Trump’s dealings with Ukraine constitute high crimes and misdemeanors.These will be the first presidential impeachment hearings in more than two decades. Here’s how this inquiry is likely to be different than the last.Meet the public officials likely to be most prominent in the inquiry.