Update: The new Control Tower is up. And now, a small pre-emptive strike to avert some of the hurt-feelings emails I will surely get: Boys, this column is not about you. (Unless you actually are the Professor, which I doubt.)
As I say in the first line of the piece - most clients are wonderful people. So if you are a client, or a potential client of mine, the fact that I occasionally write about some of the exceptions to the rule should not, in any way, suggest to you that I don't like you or that I wouldn't like you.
Conflict makes for an interesting story. That's why really sweet guys who treat me wonderfully are actually less likely to get an article written about them. (Which is something to remember if you'd prefer to stay out of print...)