Hear what Clinton said about dishonesty and what Sanders said about raising taxes. SUBSCRIBE to ABC NEWS: Watch .br Democratic frontrunner Hillary Clinton added some star power to her campaign when she was joined on the road in Iowa by pop singer Katy Perry, as well as .br Bill Clinton is getting nervous. Polls show Bernie Sanders ahead in New Hampshire. Sanders is also barely behind, if at all, in Iowa. Bill is urging Hillary to start .br Make ABC News your daily news outlet for breaking national and world news, broadcast video coverage, and exclusive interviews that will help you stay up to .