PIPELINE VETO: Opponents of the Keystone XL pipeline celebrate President Obama's veto outside the White House on Tuesday.
PIPELINE VETO: Opponents of the Keystone XL pipeline celebrate President Obama's veto outside the White House on Tuesday. Jacquelyn Martin AP
PIPELINE VETO: Opponents of the Keystone XL pipeline celebrate President Obama's veto outside the White House on Tuesday. Jacquelyn Martin AP