Before I launch into the substance of this book, I must admit two things. One,I get a little squeamish about the idea of owning a gun, for reasons I won’t delve into here. And two, Philadelphia-based photographer/author Kyle Cassidy is a friend of a friend, and so I had heard tales of the book-to-be long before it officially emerged. However, my choice to write about Armed America has nothing to do with cronyis