
Lisa Gordon-Hagerty resigned as administrator of the Department of Energy's National Nuclear Security Administration after two years, eight months and 22 days as the head of the U.S. civilian nuclear weapons program, the agency announced Friday. The official statement gave no reason for the departure, which happened days after the still-unsettled U.S. election. At deadline, Democratic nominee Joe Biden, the former vice president, led President Trump in key battleground states that hadn’t been called for one candidate for the other. …