READ: Formal request to Senate Ethics Committee to investigate Sen. Lindsey Graham


(CNN)Three ethics experts — Walter Shaub, a former top ethics watchdog for the federal government, Richard Painter, the chief ethics lawyer for President George W. Bush’s administration, and Claire Finkelstein, the director of the University of Pennsylvania’s Center for Ethics and the Rule of Law — asked the Senate Ethics Committee on Wednesday to look into Sen. Lindsey Graham’s call last week with Georgia Secretary of State Brad Raffensperger, and whether Graham “suggested” that Raffensperger “disenfranchise Georgia voters by not counting votes lawfully cast for the office of president.”

Read their letter below: