. >> host: brian donahue, why does it work? >> guest: it's a very good and.know the producer and i think that wonderful add because it does exactly what i described earlier. it invokes emotion. it really helps you to understand the candidate outside the context of a politician. you really get to know them, they're worth, their service, with their passions about based on the. dr. wehby, how she cared for patients, how she cared for people and families and that their willingness to validate that in a testimony and an advertisement like the it breaks the mold. what caller college or say, i'md of this negative stuff. here's an ad writer who tells you a lot about a candidate, does it in an emotional way in which is a lot more, testimonial ads. these testimonial ads are really strong validator. they working with real people telling real stories about candidates, is really i think a nice development in political advertising. >> host: what about the candidate talking to the camera themselves? i want to show our viewers mark pryor running for reelection in arkansas. t