by George Sibley I’ve been following the recent vaccination debate – if that’s the right word – with some growing confusion. I’m a believer in vaccinations if I don’t think about it too much. But, of course, I think about it too much, and I find myself wandering off into the swamps of ambiguity that seem to surround all the issues we get stirred up about in America. The positive case for vaccines is self-evident to those of us who were kids before Dr. Salk discovered the polio vaccine. Fear of polio – fear of a life immobilized in the…