text: Iraq Suicide Attack Kills 20, Injures 16 KIRKUK, Iraq - A suicide attacker detonated a car bomb near a crowd of people waiting to apply for jobs with the Iraqi National Guard in the northern city of Kirkuk on Saturday, killing at least 20 people and wounding 16, officials said.    Also Saturday, videotape surfaced showing two Americans and a Briton kidnapped two days ago from their house in central Baghdad...