My erudite readers are surely aware by now that Michael Lewis has a new book out, Flash Boys: A Wall Street Revolt. It concerns high-frequency trading (HFT), especially as used as part of a process of scalping, or lawful front-running. Here's the amazon page . CNBC has on Lewis, and Brad Katsuyama, a man flatteringly profiled in his book, as well as one of the bad guys in the book's story, William O'Brien of BATS. They looked like they were about to start punching each other now and then. If you haven't seen it: here it is . Felix Salmon has reviewed the book for Slate, here. But Salmon was writing about the book before he wrote that piece, even (by his own admission) before he had finished it. Salmon, and many other people at that stage of the brouhaha, were reacting as much or more to the 60 Minutes roll-out of the book as to the book itself. For the informed reactions of Ginger Szala, a veteran financial markets reporter, go here . And for m...