Antony Blinken
Antony BlinkenReuters

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?