WASHINGTON - The war in Iraq has made Iran stronger and the United States and Israel less secure, Democratic presidential candidate Barack Obama said Wednesday in a speech to Jewish political activists. Only hours after securing his party's nomination, Obama tied his Republican opponent, John McCain, to the Bush administration's Middle East policies, which Obama described as disastrous. Because of the war in Iraq, he said, "Iran, which always posed a greater threat to Israel than Iraq, is emboldened, and poses the greatest strategic challenge to the United States and Israel in the Middle East in a generation." "Iraq is...