CNN  —  Spurred by Elon Musk’s Department of Government Efficiency , the Social Security Administration is combing through its databases to check whether beneficiaries are alive or dead. It has already added dates of death to millions of people’s records, focusing on those who are implausibly old. The problem: Some people who have recently been declared dead are actually alive, forcing them to go to Social Security offices to be “resurrected” and stop the financial havoc that such a mistake can