Proposed changes to the state's "Diversity Rule"

As the State Board of Education hears testimony about the proposed changes to the state's "Diversity Rule," Midday holds a discussion about what makes schools successful in teaching minority and low-income students. Guests: Eric Mahmoud, Founder of Seed Academy and Harvest Prep School in Mpls, and Joe Nathan, Director of the Center for School Change at the University of Minnesota's Humphrey Institute.  Listeners call in with questions.