What kind of foreign policy is possible for the United States after four years of isolationism under President Trump? Antony Blinken, President-elect Joe Biden’s pick for secretary of state, has an interventionist streak, but some vestiges of Trump-era foreign policy will be hard to upend. If confirmed, Mr. Blinken faces the challenge of making the case at home that taking a fuller role abroad is important, while persuading international allies that the United States can be counted on. What course is he likely to steer through that narrow channel?   Guest: David E. Sanger, a national security correspondent for The New York Times.  We want to hear from you. Fill out our survey about The Daily and other shows at: nytimes.com/thedailysurvey For an exclusive look at how the biggest stories on our show come together, subscribe to our newsletter. Read the latest edition here. Background reading: Mr. Blinken’s extensive foreign policy credentials are expected to help calm Am...