By Dan Weil The markets’ slide particularly hurts retirees, who may have to sell some of their stocks and bonds to finance spending. The year 2022 hasn’t been kind to stocks and bonds. The S&P 500 has dropped 23%, and the Bloomberg U.S. Aggregate bond index has slid 14%. That makes things dicey for retirees, who may have to sell some of their stocks and bonds to finance spending. But dumping those assets at low prices can shrink the size of your portfolio markedly. Morningstar discussed how retirees, particularly new ones, can address this problem with Maria Bruno, head of U.S. wealth planning…