In a two-part examination of the policies of the president and of the man seeking to replace him, Joe Biden, we first take a look at what Donald Trump said he would do four years ago — and what he’s actually accomplished.On some of the big issues, Mr. Trump has been the president he told us he was going to be, keeping commitments on deregulation, taxes, military spending and the judiciary.But other potent promises — such as replacing Obamacare, draining “the swamp” in Washington and forcing Mexico to pay for a border wall — have withered.Today, we speak to Peter Baker, The Times’s chief White House correspondent, about Mr. Trump’s record. Tomorrow, we scrutinize Mr. Biden’s plans for the presidency.Guest: Peter Baker, chief White House correspondent for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily Background reading: We delve into the background of the candidates and present key questions about the campaigns of Donald Trump and Joe Biden.With 19 days to go, here’s a guide to the 2020 election with the latest updates, polling news and information on how to vote.