Newswise — Michael Traugott is a professor emeritus of communication studies and senior research scientist at the ISR Center for Political Studies. He is authority on political communication, public opinion, media polling and campaign surveys.

"Today is "do or die" for Bernie Sanders. It is a desperate strategy to hope the polls are wrong"

He can be reached at 734-763-4702 or [email protected]U-M has a satellite uplink TV studio and an ISDN radio line for interviews.