What to know about the race for the new DNC chair

Martin O'Malley, a candidate for chair of the Democratic National Committee, said Democrats need to learn from their losses in order to start winning again. CBS News' Hunter Woodall has more about the race.

What to know about the race for the new DNC chair
Martin O'Malley, a candidate for chair of the Democratic National Committee, said Democrats need to learn from their losses in order to start winning again. CBS News' Hunter Woodall has more about the race.