Randi Weingarten, attorney, educator and president of the 1.5 million-member American Federation of Teachers spoke with Marilyn Achiron during an afternoon at OECD headquarters. Marilyn Achiron: To what extent do you look to international examples for improving teaching performance? To what extent is that important to you?Randi Weingarten: Good practice and what works knows no geographic boundaries. We should be looking for it wherever we find it....