Weighing Risks of Keystone Pipeline Extension After Spill

Aired: 4/3/2013 | 0:11:06 | Clip
An oil pipeline rupture caused the evacuation of more than 20 homes in Mayflower, Ark. The accident raised questions about the safety of the proposed Keystone Pipeline extension. Judy Woodruff hears debate from Anthony Swift of the Natural Resources Defense Council and Andrew Black of the Association of Oil Pipelines.