Usama bin Ladin has issued a message to the American people, broadcast on Saturday on Aljazeera television. A full and exclusive translation follows: "Oppression will only go against the oppressors. "This is a message from Usama bin Muhammad bin Ladin to the American people regarding your aggression in Iraq. Peace be upon those who follow the righteous path. "Some have the impression that you are a reasonable people. But the majority of you are vulgar and without sound ethics or good manners. You elect the evil from among you, the greatest liars and the least decent and you are enslaved...