Gun Church by Reed Farrel Coleman Tyrus Books-F & W Media, $25.95, 396 pages, ISBN 978-1-4405-5170-3 I wasn’t sure about reviewing this week’s MBR after the shootings in Newtown, Connecticut and elsewhere.  But after thinking about it for a while and seeking advice from friends on both sides of the issue, I’m going ahead with it.  Some may see it as insensitive on my part, and I’m prepared to