The Daily Caller has this article, saying Buddy Roemer is thinking about running for president outside the two major parties. Roemer has been seeking the Republican nomination, but the Florida Republican Party refused to list him on the Florida Republican presidential primary ballot (there is no other way for him to get on that ballot), and he has been barred from all the Republican presidential debates so far.
Roemer was elected as a Democrat to Congress from Louisiana in 1980 at the age of 37. He was re-elected in 1982, 1984, and 1986, and then in 1987 was elected Governor as a Democrat. In March 1991 he changed his party affiliation to Republican, and was defeated for re-election that year after the Republican Party endorsed another Republican running for Governor. In 2008 Roemer campaigned for John McCain for President. Thanks to Eric Dondero for the link.