WATCH: David Yepsen, Former 34-Year Des Moines Register Political Reporter, Says Mild Weather Could Boost Donald Trump Turnout

From WaPo's Robert Costa, on Twitter, "Iowa reporting legend @DavidYepsen says mild weather today could increase turnout, boost Trump (VIDEO)."

Yepson's now the Director of the Paul Simon Public Policy Institute at Southern Illinois University Carbondale.

Dude's got some creds.