> Actually going to Canada isn't a problem, it's getting back into the US you
> need a passport!

Interestingly, when we entered Canada at Sault Ste Marie last
month, the Canadian officer ran our passports through the
machine.  When we came back to the US at Buffalo, the
US officer just held them while she asked us some questions.

So Canada knew we were there and the US never knew we left....

Richard