innocent until proven guilty?

'Cheney also denounced proposals for a quick U.S. withdrawal from
Iraq as "a dangerous illusion" and shrugged off the failure to find weapons of mass destruction. "We never had the burden of proof," he said, adding that it had been up to Iraqi President
Saddam Hussein to prove to the world that he didn't have such weapons.'
http://news.yahoo.com/s/ap/20051122/ap_on_go_pr_wh/us_iraq

is there anyone else who thinks that doesn't make any sense at all? since when do people have to prove that they are not breaking the law??