Rep. Ro Khanna (D-Calif.) questions witnesses during a roundtable discussion on Supreme Court Ethics, conducted by Democrats of the House Oversight and Accountability Committee, at the Rayburn House Office Building in Washington on June 11, 2024. Jemal Countess/Getty Images for Court AccountabilityRep. Ro Khanna (D-Calif.) has become the first member of Congress to sign a pledge to refuse campaign money from the American Israel Public Affairs Committee (AIPAC) and other pro-Israel groups.Khanna, a progressive often mentioned as a potential 2028 presidential contender, announced the decision in a video in which he signed the document. We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.