Can you really go wrong reading a novel with the name of James Patterson on the cover? For the second novel in my research into Grocery Store books, I selected a thriller by Patterson and Brendan DuBois, Blow Back. Say what you want about Patterson’s output, but the man knows a good story when he sees it, and he and his team can write remarkably good loglines. For this one, it’s: An American President goes Insane. It’s been quite awhile since I last read a political/military thriller, but what I got was what I expected: multiple POVs, multiple threads, all leading to a grand finale. This book delivered on all…