LET WEYNE, Somalia (AP) - An Islamic militia that controls most of southern Somalia is now expanding into the center of this Horn of Africa country, imposing order after years of anarchy but also sparking worries of an emerging Taliban-style regime. One of its Islamic courts has been governing this central town for less than a week, operating out of a crumbling stone building furnished with green plastic chairs, but already its leader is envisioning greater things. ''The world better learn who we are,'' Sheik Farah Moalim told The Associated Press in an interview this week at his headquarters in...