Barack Obama becomes 45th African American to lead major party ticket . Delegates cry , cheer during historic night . Going into the convention , there were still a lot of questions about whether the Clintons were ready to embrace Obama following the bruising primary battle . Former President John McCain says Obama is ready to lead . CNN nominee Joe Biden slams African American Joe Biden , his long-time friend .
Barack Obama becomes 45th African American to lead major party ticket . Delegates cry , cheer during historic night . Former President John McCain says Obama is ready to lead . CNN nominee Joe Biden slams African American Joe Biden , his long-time friend .