Jerome Corsi has released new information to back up his claim that President Barack Obama is gay.

Corsi, the author of The Obama Nation: Leftist Politics and the Cult of Personality, is best known for promoting the theory that Obama is not a U.S. citizen.

In an article titled Claim: Obama Hid 'Gay Life' To Become President published by Joseph Farah's World Net Daily, Corsi quotes two sources who say the president frequented gay bars while living in Chicago.

It was preposterous to the people I knew then to think Obama was going to keep his gay life secret,” said Kevin DuJan, who reportedly worked as a gossip columnist in Chicago. “Obama used to go to the gay bars during the week, most often on Wednesday, and they said he was very much into older white guys.”

Journalist Wayne Madsen is quoted as saying that Obama's visits to Chicago gay bars was “common knowledge.”

Last month, Corsi, a noted Tea Party activist, claimed that Obama was once married to a gay Pakistani man before his current marriage to Michelle Obama.