After years of cutting their pay, benefits, and job security, and vilifying their unions, this isn't surprising. We get what we value (or "reap what we sow"), and, as a society, we've been telling teachers we don't particular value them for quite some time now. Yet another instance of the U.S. trying to turn a career into temp labor, and expecting people to put up with it. Hopefully this article is an indication we'll turn things around.