Inside the crusade against Colorado’s marijuana laws

Aired: 5/21/2015 | 0:09:07 | Clip
Late last year, Nebraska and Oklahoma filed a federal lawsuit asking the Supreme Court to declare Colorado's marijuana law unconstitutional, due to an influx of pot illegally entering those states. Now, as the Supreme Court decides whether to take up the case, Colorado has filed a petition to withdraw the lawsuit. NewsHour's Alison Stewart reports.