Former Top US Diplomat Bill Richardson Dies Aged 75

File photo - United States President Bill Clinton signs the Veterans Administration (VA)-Housing and Urban Development (HUD) Bill in the Oval Office of the White House in Washington, D.C. on October 23, 2000. Among those in attendance are U. S. Senator Barbara Mikulski (Democrat of Maryland), U.S. Secretary of Energy Bill Richardson, and U.S. Secretary of Housing and Urban Development Andrew Cuomo. - 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 David Scull - White House / CNP /ABACAPRESS.COM