Filed at 3:05 p.m. ET BEIRUT (Reuters) - The militant Palestinian Islamist group Hamas said on Friday that it will target Israeli leaders in response to the Jewish state's tactic of killing senior Palestinian militants behind attacks on Israelis. Usama Hamdan, who heads Hamas in Lebanon, said Israel's killing in recent weeks of two senior Hamas figures -- one in an air strike that left 14 others dead -- meant Hamas's military actions should expand beyond suicide bombings in public places. ``From here on out, targeting a leader, minister, or the head of the government of the Zionist entity will...