There are far more gray (or is that 'grey') areas now than ever before. Certainly it's easier to get work permits if yer a member of the union, but I'd just call up a (cheap) lawyer and they'll tell ya what to send for and what to sign. 'Specially after 9/11. You DON'T want to get on the computer. That means you can be hassled if yer only crossing the border to visit someone for an hour.

rick