Portside

Bill Withers, in 1971, playing Ain't No Sunshine.

Bill Withers pays tribute to a special kind of mother -- a grandmother.

Sen. Elizabeth Warren wants to help college students drowning in debt by putting them in the same boat as the big banks.

Wild Women Don't Have the Blues shows how the blues were born out of the economic and social transformation of African American life early in this century. It recaptures the lives and times of Ma Rainey, Bessie Smith, Ida Cox, Alberta Hunter, Ethel Waters and the other legendary women who made the blues a vital part of American culture. For more information, go here.

Congresswoman Donna Edwards explains that Maryland did not ban straight marriage and discusses her stance on gun control. 

The history of the all-girl bands and the talented female jazz and big band instrumentalists who continue to struggle for recognition in a man's world. For more information, go here.

Miles O'Brien reports from Guatemala on the forensic science used to document charges of a genocide against thousands of indigenous Mayans in the 80s. For more on this story, visit http://www.pbs.org/newshour/updates/science/jan-june13/guatemala_05-08….

NewsHour's Miles O'Brien talks with Boing Boing's Xeni Jardin from Guatemala about the situation in Guatemala, where the government is cracking down on protests over a new mine.

A new documentary examines the struggle Muhammad Ali faced in his conversion to Islam, his refusal to fight in Vietnam, and the years of exile that followed before his eventual return to the ring. "The Trials of Muhammad Ali" premieres in New York City at the Tribeca Film Festival.

A flash mob in Sabadel, Spain, captivates young and old with Beethoven's Ode to Joy (Symphony No. 9).