• Senator Bernie Sanders on Wednesday presented his brand of socialism through a framework of economic rights in an effort to defuse voter concerns about his electability. Still lost? Here’s a guide to democratic socialism.
• In a Monmouth University poll of voters in Nevada, a key early-voting state, Senator Elizabeth Warren finished second in the 23-person field, surpassing Mr. Sanders and trailing only Joe Biden.
• Hope Hicks, the former White House communications director, agreed to participate in a transcribed interview with the House Judiciary Committee next week. It will be the first time that a Trump aide takes the witness stand in the committee’s investigation of possible obstruction of justice.
• R. Clarke Cooper, a top State Department official, defended the use of an emergency declaration to sell arms to Saudi Arabia against Congress’s will.
• In three hours of questioning, Donald Trump Jr. told Senate investigators that he had nothing to correct from his past statements to congressional bodies about issues related to Russia.