Pedzisa mutsara unotevera: Pashure pokushumira kwenguva pfupi somupi wezano pakuronga mushandirapamwe waSenator John Kerry wokutsvaga kutungamirirwa nehurumende muna 2004, Lu akatanga kushanda naBarack Obama muna 2005 muhofisi yake yeU.S. Senate, uko Lu akashanda somutungamiriri wezvemitemo uye achishanda somukuru mukuru wevashandi. Kutevera kubudirira kwaObama
Mumushandirapamwe wa2008 wemutungamiri wenyika, Lu akagadzwa semutungamiri mukuru weObama-Biden Transition Project. Apo Obama akagadza Lu saMunyori weKabineti, "The New York Times" yakamurondedzera se"mumwe wevakuru vepamusoro-soro veAsia America muhurumende yaObama".