Former U.S. Sen. Bill Nelson of Florida sworn in as head of NASA


    Former Sen. Bill Nelson, speaks to media after he was ceremonially sworn-in as the 14th NASA administrator by Vice President Kamala Harris, as his wife, Grace Nelson, right, held their family Bible on May 3, 2021, at the Ceremonial Office in the Old Executive Office Building in Washington, D.C. (NASA/Aubrey Gemignani/CC BY-NC-ND 2.0)