I have an alter ego in the blogosphere. Here, it’s politics, but on Facebook I blog about popular music, usually leaning heavily towards rock and roll. And until a few days ago I never imagined that there would be any ideological cross-pollination to worry about. But then I had an epiphany… I’ll start my little tale here- I blog about music to promote a fiction book that I wrote 3 years ago. The book is about a garage band from the early 70′s that was on the cusp of making it big, but then fell just short. I plot an...