Pedzisa mutsara unotevera: Gray akashanda pamutemo uye tsvakurudzo yevashandi venguva iyoyo State Senator Barack Obama's 2004 mushandirapamwe weUnited States Senate. Akanga ariwo nhengo yekutanga yeUnited States Seneta Obama mushandirapamwe weMutungamiri, achishanda seMutevedzeri weNational Policy Director weUnited States Senate.
Mushandirapamwe waObama weAmerica weMutungamiri muna 2007-2008.