molly montgomery, thank you for your service an thank you for coming on with us. >> thank you. >>> hours from now joe biden will take questions in iowa from voters. he is participating in cnn's town hall there tonight. a recent poll in the state has him in fourth place. our dana bash caught up with the former vice president on the campaign trail. >> plus, president trump's former u.n. ambassador nikki haley says that rex tillerson and secretary of state and john kelly then chief of staff, the president's appointees, tried to recruit her to, quote, save the country from the president himself. just remarkable to hear from inside the trump administration. we're going to have more on be that coming up. hi, i'm joan lunden. when my mother began forgetting things, we didn't know where to turn for more information. that's why i recommend a free service called a place for mom. we have local senior living advisors who can answer your questions about dementia or memory care and, if necessary, help you find the right place for your mom or dad. we all want what's best for our parents, so call today. it's easy to