Mezue ahịrịokwu na-esonụ: Gray rụrụ ọrụ n'usoro iwu na ndị ọrụ nyocha nke mgbe ahụ State Senator Barack Obama na 2004 mkpọsa maka United States Senate. Ọ bụkwa onye mbụ so na mkpọsa nke Senator Obama maka Onye isi ala, na-arụ ọrụ dị ka onye isi oche nke National Policy Director maka US Senate.
Obama maka mkpọsa onye isi ala America na 2007-2008.