Richard Besser has the conventional good looks of a TV anchorman. That’s a useful qualification for public office. Fortunately, that is not what got him appointed Acting Director of the Centers for Disease Control and Prevention. I’m pretty happy about this pick, which hasn’t gotten the attention or visibility it deserves. As I have written before, our nation’s flagship public health agency is troubled. Besser takes the reins of an agency that has endured severe administrative and morale difficulties. CDC was traumatized by the ideological battles of the Bush years, by management reorganizations and budget difficulties, and by new challenges posed by 9/11, anthrax, and (later) Katrina….