rube rube reading a mailer marco rubio. >> -- [ indiscernible ] -- remember friends don't he let friends vote for trump. college today hillary clinton -- . >> [ indiscernible ] -- i liked the slogan. i want to hear both and see what i like better. >> reporter: bernie sanders was at an iowa college too. >> when i talk to young people i say what do you think about gay marriage. they look at you about gay marriage. they looks like at you like what is the issue? >> we're having a great time. thank you. >> reporter: while the candidates continue to crisscross the state, bill clinton will join hillary clinton campaigning in iowa and donald trump will be back staying through the caucuses on monday. >> you just heard him talk about it there. he is saying in iowa next week. look for his updates next week >>> a server containing some highly classified secrets. the obama administration say 22 emails contained the highest level of classification. the state department say some will not be released because the messages are top secret. >>> new at 5, a man died after a crash in a car wash in massachuset