host: susan macmanus is a political science professor at the university of south florida. the first dimension she attended was in houston in 1992. we have a special line for set up for a florida residents. let's go to miami. caller: what to say to obama, thank you very much for being able to be the first elected black president of the united states. we waited long and hard. which could not only wait -- as can be done in the united states. obama has opened doors for people to understand things about politics that we never knew that was in existence, who are able to finally find out what politicians ordinance before, where before we were just watching things on tv. the time is now for obama to do the work that he said that he promised he would do. he first had to clean house in order to prepare the house for us to move forward in this type and date. host: professor, how much of a sentiment like kevin's is going to influence florida voters this time around? guest: african-americans and minorities make a around 30% of the registered voters -- blacks make around 13% of register

susan macmanus on the importance of florida and presidential elections. >> mr. chairman, at delegates, and fellow citizens, i am honored by the support of this convention for vice president of the united states. the united states.