Follow the latest news on the major headlines of the day. Ron Klain, a onetime chief of staff in former President Joe Biden 's White House, has been advising Rep. Ro Khanna (R-Calif.) as he mulls a potential 2028 presidential bid, Politico Playbook reported on Monday. Khanna is not the only Democrat Klain, Airbnb's chief legal officer, has been advising in his free time, the outlet said, noting that he's been helping Xavier Becerra with his California gubernatorial bid and had also previously