Grading Obama, Bush and Clinton on race

President Obama hugs Rep. John Lewis
US President Barack Obama (R) hugged Georgia Democratic U.S. Rep. John Lewis, one of the original marchers at Selma, during an event marking the 50th anniversary of the Selma to Montgomery civil rights marches at the Edmund Pettus Bridge in Selma, Alabama, March 7, 2015.
Saul Loeb | AFP | Getty Images

Racial tensions flared in 2014, but America's race issue has much deeper roots.

April Ryan has covered the White House under three presidential administrations. Ryan and Hiram College political science Professor Jason Johnson joined MPR News' Kerri Miller to talk about how each of those presidents fared in tackling racial issues.