Robinson assisted his brother-in-law throughout the latter 's 2008 presidential campaign , including campaigning for him during the Iowa caucuses and campaigning and giving speeches for him in a number of other states , sometimes combining campaigning with recruiting visits . He introduced his sister Michelle before her speech on August 25 , 2008 , the first night of the 2008 Democratic National Convention , which gave him his largest national exposure . He was also on stage following Obama 's victory speech in Grant Park after his election as president on November 4 , 2008
2008 Democratic National Convention
2008 Democratic National Convention
Craig Robinson (basketball)