This time, in direct mail--here it is: (PDF)
So far, the only other campaigns I know of that have tried to make kos an issue are: Doug Lamborn (CO-05, running against Jay Fawcett) and George Allen. Fine company you're keeping there, Joe. A real fine Democrat you turned out to be.
Did I mention that kos has next to 0% name recognition among the voting electorate? Thanks for raising our profile!