michelle obama will be active as a social change maker, she clearly is passionate about that. she may do it in a less visible way sometimes than president obama, but i think they're in this for the long journey, i don't think they're going to leave public life, they deeply care -- they're both relatively young leaving the white house and they deeply care about the future of america. >> david gergen, thanks very much. watch cnn's live coverage of president obama's farewell address starting tuesday at 8:00 p.m. eastern with a special edition of "anderson cooper 360." we'll be right back. at red lobster's big festival of shrimp, get your perfect pair for just $15.99. choose 2 of 6 new and classic shrimp creations, like bold new firecracker red shrimp.