Conservationists to challenge Wyoming's wolf de-listing in federal court

POSTED: 05:00 PM MST Dec 16, 2013    UPDATED: 10:11 PM MST Dec 16, 2013 
Conservationists to challenge Wyoming s wolf de-listing in

A federal judge will hear the case of conservationists in Washington D.C., Tuesday morning, challenging the removal of Wyoming's gray wolves from the federal Endangered Species Act.