One of the primary things that teachers value but that school reformers have given short shrift is time to collaborate. As the Washington Post reports, Stanford University Professor Linda Darling-Hammond, an expert on teaching and teacher education, writes about why this is so important to the profession. Darling-Hammond directs the Stanford University Center for Opportunity Policy in Education and was founding director of the National Commission on Teaching and America’s Future. A former president of the American Educational Research Association, Darling-Hammond focuses her research, teaching, and policy work on issues of school restructuring, teacher quality and educational equity…