Civil Rights leader Julian Bond, right, talks with Chesapeake Climate Action Network 

Civil Rights leader Julian Bond, right, talks with Chesapeake Climate Action Network Executive Director, Mike Tidwell, center, and another activist as they are chained to a fence at the White House in Washington, Wednesday, Feb. 13, 2013, as prominent environmental leaders tied themselves to the White House gate to protest the Keystone XL oil pipeline..  (AP Photo/Ann Heisenfelt)
Associated Press
Civil Rights leader Julian Bond, right, talks with Chesapeake Climate Action Network Executive Director, Mike Tidwell, center, and another activist as they are chained to a fence at the White House in Washington, Wednesday, Feb. 13, 2013, as prominent environmental leaders tied themselves to the White House gate to protest the Keystone XL oil pipeline.. (AP Photo/Ann Heisenfelt)
View Comments