President-elect Donald Trump chose Saturday night to announce that his long-time aide Kash Patel is his choice to be the next director of the Federal Bureau of Investigation, and for anyone interested in a good fumigation of the bureau, this is a cause for real optimism.  Before we get to the laundry list of FBI abuses that Patel would hopefully put an end to, let us first establish that this is a well-credentialed man who served at high levels in the first Trump...