Hamas officials met Egyptian mediators in Cairo on Wednesday to hear proposals for resolving the Palestinian Islamists' stand-off with President Mahmoud Abbas's secular Fatah group, a Hamas official said. The meeting, ahead of a planned gathering of Palestinian factions in Cairo next month, was presented as a step on the way to ending a schism that has crippled Abbas in U.S.-sponsored peace talks with Israel. But there are few signs that the rivalry between Hamas and Fatah is becoming any less bitter. ...