Pedzisa mutsara unotevera: Pakupera kwa2007, Kennedy nehanzvadzi dzake Kerry naKathleen vakazivisa kuti vaizotsigira Hillary Clinton musarudzo dzomutungamiri wenyika dzeDemocratic Party dza2008. Mushure mokunge
Musangano weDemocratic, Kennedy akaita mushandirapamwe waObama munyika yose. Pashure pesarudzo, akanzi ndiye aizotungamirira pakutsvaka mutariri weEPA waObama.