Religion, bathroom routines and politics are three things you should never, ever discuss at the dinner table. However, if you're curious about your neighbors' political reading habits, then you should check out Amazon's Election Heat Map. The bookseller rated the top 250 books with a "clear political bias," with each state's graphic turning red or blue depending on which tomes are selling the most. The company is clear to say that the results are more for the curious than a reflection on the result of the election, so if
