Internationally acclaimed researcher Richard Ingersoll discusses his new edition of "Seven Trends: The Transformation of the Teaching Force," a landmark study examining 30 years of data on the teacher labor market.

Ingersoll joins CPRE Director Jonathan Supovitz to highlight a number of key findings, including an ongoing "greening" of the workforce and an "unheralded victory" for minority recruitment initiatives. Ingersoll also provides some important takeaways for those hoping to understand, and make use of, the latest data on America's teachers.