LOS ANGELES (ES)Madonna wishes she could be president of the United States. The pop superstar believes she would do a great job if she was able to take control of the country and her main goal would be to stop the country wasting money on ''weapons of mass destruction''. When asked what she would do if she was president of the United States for one day, she said: ''You can't really change much in one day. I think I would like to be president for a longer time. ''