JERUSALEM — Gaza's militant Hamas rulers said Saturday they had accepted a cease-fire ending a massive Israeli onslaught on militant positions after a soldier was shot dead, once again pulling the sides back from the brink of a full-fledged war.Israel and Hamas have fought three such wars over the past decade and Hamas agreed to the second such cease-fire in a week under heavy Egyptian and international pressure.Even after last week's cease-fire ended the fiercest [...]