DUring it Last great military impasse between India and Pakistan, in 2019, Mike Pompeo was awakened by an urgent call to his hotel in Hanoi. Mr. Pompeo, who was then the US Secretary of State, described in an Indian Minister who said Pakistan was preparing a nuclear strike on India. Mr. Pompeo quickly reached the chief of the army of Pakistan, who denied him but accused India of preparing his atomic weapons. It took several hours of intense diplomacy “to convince each side that the other did not prepare for the nuclear war,” wrote Mr. Pompeo.