What challenges remain for Selma 50 years since march?

Aired: 3/9/2015 | 0:07:08 | Clip
Over the weekend, visitors like President Obama and nearly 100 members of Congress flocked to Selma, Alabama, to celebrate the anniversary of a civil rights milestone. But 50 years since protesters defiantly crossed the city's iconic Edmund Pettus bridge, Selma remains a deeply divided city with many challenges. Gwen Ifill reports.