My essay on researching teacher moves is up at Education Next:
In July 2011, Bill Gates told the Wall Street Journal, “I believe in innovation and that the way you get innovation is you fund research and you learn the basic facts…. I’m enough of a scientist to want to say, ‘What is it about a great teacher?’”
As a “practitioner” of sorts, I’ve wondered the same thing for 15 years.
You can read the whole thing here.