Bill Richardson, former New Mexico governor and UN ambassador, dies at 75

Richardson had a long career in public service, including as a congressman, UN ambassador, and energy secretary.
He later founded an organization focused on freeing Americans detained abroad.
Richardson negotiated the release of hostages and detainees from countries like North Korea and Russia.
He served two terms as governor of New Mexico and made progressive reforms.
Richardson was nominated multiple times for the Nobel Peace Prize for his diplomatic work.