Bill Clinton said on Wednesday he'd not give paid speeches if his wife, Hillary Clinton, was elected US president.
Republicans and media commentators have criticised both Clintons for earning millions of dollars from paid speeches, saying the practice raises the chance of conflicts of curiosity.
The former president said however carry on and give speeches without compensation if Mrs Clinton, the front-runner for that 2016 Democratic presidential nomination, entered the White House.
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"I most certainly will still give speeches though on the subjects I'm enthusiastic about, and I've really enjoyed them," he told Bloomberg TV at a Clinton Foundation conference in Denver.
From quantity of low-key visits to crucial primary states, Mrs Clinton is due to formally launch her campaign with a rally in The big apple on Saturday.
Asked whether he would keep giving paid speeches if Hillary Clinton entered the White House, he explained: "No. I can't think so. I wouldn't believe - because when you finally reach be president then you're just building a daily story."
In an interview with CNN on the conference, Mr Clinton gave among his lengthiest rebuttals yet of allegations Hillary Clinton gave favorable treatment to donors on the family's charities while she was US Secretary of State.
"No person has ever inquired about for anything," he said of the foundation's donors.
Mr Clinton said he didn't know whether foreign governments, companies along with foundation donors were seeking anything in return beyond supporting philanthropy.
"And i also do not think Hillary would know, either," he explained. "She was pretty busy those years. I never saw her study a listing of my contributors, and I had little idea who had previously been working prior to a State Department."
Journalists and political opponents have not to turn up any proof that Mrs Clinton's State Department sold favours. The Clintons dismiss the allegations as politically motivated.
But progressively more Americans have said they find Hillary Clinton untrustworthy in polls.
"Yeah, but I mean we're utilized to it," said her husband.
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He described Hillary Clinton as "the rock" of his family and said he thought that Americans would come to learn more about that side of her.
"I trust her with my life and also have on more than one occasion," he was quoted saying. "I don't mean I was facing physical death," he added in an interview, which CNN said hello would broadcast on Sunday.