Bernard "Bernie" Sanders (born September 8, 1941) is an American politician. The junior United States Senator from Vermont, Sanders has been a U.S. Senator since 2007. An independent politician since 1979, Sanders is associated with the Vermont Progressive Party and was a member of the Liberty Union Party from 1971 to 1979. Sanders announced his intentions to seek the nomination for President of the Democratic Party on April 30, 2015, in an address on the Capitol lawn. More: en.wikipedia.org.