By Nandita Bose BOSTON (Reuters) - U.S. President Joe Biden said on Tuesday that Hamas had repeatedly raped women and mutilated their bodies during its Oct.7 assault on southern Israel, citing survivors and witnesses of the attacks. Speaking at a political fundraiser in Boston, Biden said accounts of "unimaginable cruelty" had been shared over the past few weeks. "Reports of women raped — repeatedly raped — and their bodies being mutilated while still alive, of women's corpses being desecrated, Hamas terrorists inflicting as much pain and suffering on women and girls as possible and then murde...