Leon Panetta, the former chief of staff to President Bill ClintonWilliam (Bill) Jefferson ClintonTrump sues to block NY prosecutors' subpoena for his tax returns Most voters say there is too much turnover in Trump administration RNC spokeswoman on 2020 GOP primary cancellations: 'This is not abnormal' MORE, says that supporters of Sen. Hillary Rodham Clinton (D-N.Y.) are having are hard time getting over the New York senator's loss to Barack ObamaBarack Hussein ObamaKrystal Ball tears into 'Never Trump' Republicans Sanders campaign announces it contacted over 1 million Iowa voters Iowa Steak Fry to draw record crowds for Democrats MORE in the Democratic primary.

"There is a sense of entitlement that almost seems to be inbred," Panetta, who has been tasked by the Obama campain with healing wounds between the two camps, told the British paper The Times. "They are convinced Hillary is the one who should be assuming the mantle and it's tough to crack that."

"It's not something that I would have recommended, but [the Obama campaign is] trying to bend over backwards as far as they can to accommodate her," the longtime Clinton aide say. "I'm a little disturbed that this keeps playing out."