Washington (AP) Bill Clinton says a vast, right-wing conspiracy that once targeted him is now focusing on President Barack Obama.

The former president made the comment in a television interview when he was asked about one of the signature moments of the Monica Lewinsky affair over a decade ago. Back then, first lady Hillary Rodham Clinton used the term "vast, right-wing conspiracy" to describe how her husband's political enemies were out to destroy his presidency.

Bill Clinton was asked on NBC's Meet the Press whether the conspiracy is still there. He replied: "You bet. Sure it is. It's not as strong as it was because America has changed demographically. But it's as virulent as it was."

Clinton said that this time around, the focus is on Obama and "their agenda seems to be wanting him to fail".

Clinton also said he has no thoughts about returning to public office.

As for Hillary Clinton making another run for the White House, the former president said that's up to her. But he added, "We're not getting any younger." Clinton said he was proud of the job she's doing as secretary of state.

Bill Clinton said he was happy running his global initiative that brings together the public and private sector to discuss solutions to climate change, poverty, global health and education.