Edit: oops, heh heh. Moved details to bug report form. But yeah, there's a way to exploit one of the current trade missions.

Repeat after me... "Thou shalt not post how to do an exploitable bug."
Save the details for the bug report or an email to the Devs.

(with appologies to FM... again)

But we have to test it to make sure that it's reproducable. erm... Yeah, yeah... That's the ticket.