In 2002, businessman Phil Bredesen was elected as the 48th governor. Also in 2002, Tennessee amended the state constitution to allow for the establishment of a lottery. Tennessee's Bob Corker was the only freshman Republican elected to the United States Senate in the 2006 midterm elections. The state constitution was amended to reject same-sex marriage. In January 2007, Ron Ramsey became the first Republican elected as Speaker of the State Senate since Reconstruction, as a result of the realignment of the Democratic and Republican parties in the South since the late 20th century, with Republicans now elected by conservative voters, who previously had supported Democrats.