If the professor is not capable of giving a class without preparation, don't attend. - Nassim Nicholas Taleb

The smooth criminal on beat breaks
Never put me in ya box if ya shit eats tapes

History and societies do not crawl. They make jumps. They go from fracture to fracture, with a few vibrations in between. Yet we (and historians) like to believe in the predictable, small incremental progression.

A government run by professionals is like a form or a trading house run by back office &support people. But firms go bust, govs expand.