Atheism's Big Spender, Changing Definitions of Marriage Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Legacy and the Supremes: A Psychoanalytic Look at the Court The Conservative Case for Gay Marriage Meet the Atheism Movement's Big Spender Venture Capitalists Invest In Younger and Younger Entrepreneurs Pro-Life Legislators Score a Victory in North Dakota Where in the Solar System Is Voyager 1? The Definition of Marriage Is Shifting in the U.S. NASA photograph of one of the two identical Voyager space probes Voyager 1 and Voyager 2 launched in 1977. ( NASA / Wikimedia Commons ) Produced by PRI and WNYC