At a star-studded fundraiser at New York’s Radio City Music Hall, former President Barack Obama made an impassioned case for the re-election of his former vice president, Joe Biden. NBC News’ Kelly O’Donnell reports.us polictics news At a star-studded fundraiser at New York’s Radio City Music Hall, former President Barack Obama made an impassioned case for the re-election of his former vice president, Joe Biden. NBC News’ Kelly O’Donnell reports.