Abdel Aziz Rantisi, a Hamas hardliner, has been named acting leader of the group in Gaza, a spokesman said Tuesday. Rantisi will temporarily take over the tasks of Hamas founder Sheik Ahmed Yassin, who was assassinated by Israel on Monday, said Ismail Hanieh, a senior official in the Islamic militant group. Defense Minister Shaul Mofaz said Tuesday that other Hamas leaders would be targeted now that Israel has assassinated Yassin. "If we will continue, in a determined way, with our strikes against Hamas and other terror groups, with the means I outlined, including action against those leaders, we will bring...