Several prominent Democrats hit the TV airwaves Sunday to defend Hillary Rodham Clinton's use of a private server for work-related emails while she was secretary of State, batting down claims that her presidential campaign has been damaged by the controversy.
Polls show a growing number of Americans believe the Democratic front-runner cannot be trusted, however, and questions about the email have dogged Clinton at some campaign events.
In a sign of Democrats' mounting concern, former New Mexico Gov.