Thanks for the advice. I took my car back to the shop and had a talk with the manager. He gave me a complicated story about how the cross camber wasn't the problem, and they would have to adjust the toe, and this is more of an art than a science, etc. I think it was all BS. The technician who did the work seemed to be competent, however, because he reduced the cross camber from -0.7 to -0.4, and now the pull is proportionately improved (i.e. it's about half as bad). I don't know if -0.4 is the best they can do, or if they just didn't try to do better. I don't think I'll go back to that same place for my next alignment.
-TC