our gary tuchman is traveling with the president. >> reporter: the lines are long for this hillary clinton rally, except clinton isn't actually here. instead, it's her surrogate in chief, the nation's first african-american president. are you here more to see barack obama or more to show your support for hillary clinton? which one? >> more for barack obama. >> reporter: it's not a big surprise many people say that. are you here more to see barack obama or support hillary clinton? >> to see barack obama. >> reporter: seeing a president in person is often a once in a lifetime opportunity. but with early voting polling numbers showing african-american votes down in several swing states compared to four years ago, the clinton team is battling an enthusiasm gap within the african-american community. >> are you as enthusiastic for hillary clinton as you were for barack obama? when you ran? >> honestly, i would -- no, i'm going to be honest. >> reporter: avery miller voted for barack obama twice. are you voting for her? >> i'm still undecided for at this point.