Former Top US Diplomat Bill Richardson Dies Aged 75

File photo - Washington, D.C. - February 22, 2009 -- Governors Bill Richardson (Democrat of New Mexico), left, and John Baldacci (Democrat of Maine), right, depart after they and their fellow governors met United States President Barack Obama at the White House in Washington, D.C. on Monday, February 22, 2010. - Bill Richardson, the former New Mexico governor, U.S. ambassador to the United Nations and Secretary of Energy under President Bill Clinton, has died. Richardson was 75. Photo by Ron Sachs / CNP /ABACAPRESS.COM