The Unspoken Can Make or Break a Debate, Says University of Louisville Professor

When it comes to preparing for a nationally televised debate, so much preparation goes into brushing up on the issues, but what isn't said can be just as important to a candidate's performance. Body language can make a big impact on how voters view candidates.

In this interview, Lisa Autry speaks with Dr. Michael Cunningham, a communications psychologist at the University of Louisville.