1,000 US troops arrived by air in Kurdish-controlled northern Iraq Wednesday night. HARIR, IRAQ - US and British forces may be disappointed with their welcome in the rest of Iraq, but the US paratroopers who have dropped into Kurdish-controlled northern Iraq are surrounded by a population happy to see them. The 1,000 members of the US 173rd Airborne Brigade who arrived at an airstrip here Wednesday night are part of a widening "northern front" that may soon complement the US-led advance in southern and central Iraq. Until now, the US presence in the Kurdish zone has consisted primarily of scores...