Wedding-ring thug assaults woman, 85, as husband lies dying

A heartless thief mugged an elderly Manhattan woman and stole her heirloom wedding ring — as her husband lay on his deathbed in a hospital. Petite former Shakespearean actress Yvonne Sherwell-Demakopoulos, 85, yesterday said she was coming home from a night out with friends Saturday at around 10:50 p.m…