Shortly before Donald Trump took office, the retired Air Force lieutenant general in charge of the country’s nuclear weapons program packed up his office. He’d submitted his resignation, as required, and no one from the incoming Trump team told him to stick around. Trump’s Day One drew closer, and only after Ernest Moniz, the outgoing Energy Secretary, personally called some senators to alert them to what was going on did the Trump team perk up. It was the day before the inauguration when the officer got the call: Please bring back your belongings, he was told. The job’s still yours. Crisis averted, for now.