[163]
Despite its lack of success, Biden's 2008 campaign raised his stature in the political world.[164]: 336  In particular, it changed the relationship between Biden and Obama. Although they had served together on the Senate Foreign Relations Committee, they had not been close: Biden resented Obama's quick rise to political stardom,[135][165] while Obama viewed Biden as garrulous and patronizing.[164]: 28, 337–338  Having gotten to know each other during 2007, Obama appreciated Biden's campaign style and appeal to working-class voters, and Biden said he became convinced Obama was "the real deal".[165][164]: 28, 337–338

2008 vice-presidential campaign
Main articles: Barack Obama 2008 presidential campaign and 2008 Democratic Party vice presidential candidate selection
Biden speaks at the August 23, 2008, vice presidential announcement at the Old State Capitol in Springfield, Illinois.
Shortly after Biden withdrew from the presidential race, Obama privately told him he was interested in finding an important place for Biden in his administration.[166] In early August, Obama and Biden met in secret to discuss the possibility,[166] and developed a strong personal rapport.[165] On August 22, 2008, Obama announced that Biden would be his running mate.