Becoming A Candidate: Barack Obama (4) tv-pg Play video Select your TV provider to log in to have full access to videos Select your TV provider See all providers Don't see your TV provider? Learn more You can access this video on the free HISTORY® apps. *You must verify your TV provider towatch this video on the App Your Parental Control settings do not allow you to view this content. Becoming A Candidate: Barack Obama (4 min) tv-pg Barack Obama speaks at the 2004 Democratic National Convention and is launched onto the national political stage. After winning a seat in the US Senate, he enters the Democratic race for the White House.