“Stockpiling in Taiwan is a very active point of discussion,” said Jacob Stokes, a fellow at the Center for a New American Security who advised Mr. Biden on Asia policy when he was vice president. “And if you have it, how do you harden it and how do you disperse it so Chinese missiles can’t destroy it?”“The view is we need to lengthen the amount of time Taiwan can hold out on its own,” he added. “That’s how you avoid China picking the low-hanging fruit of its ‘fait accompli’ strategy — that they’ve won the day before we’ve gotten there,...