The only thing which i don't understand if all world will become muslim..than do u think these voilent people will stop..i don't think so..they use the name of religion for there own profits. If you think people like laden e.t.c ...they are power hungry people...if all r muslim also..they will fight against the people who do not obey them..and than there will some other name of these crimes...terrorist has no religion they are fanatic people...