DUBAI (AFP) - The group headed by Iraq's most wanted man Abu Musab al-Zarqawi hailed in an Internet statement what it said was the "start of the collapse" of the United States after the devastation caused by Hurricane Katrina. "Congratulations to the Islamic nation, to our sheikh Osama abu Abdullah (Osama bin Laden).. and to sheikh Ayman Zawahiri (bin Laden's deputy) for the destruction of America, which is at the forefront of evil. It is the start of its collapse." The statement, whose authenticity could not be confirmed, was referring to the hurricane that has devastated New Orleans and left...