University of Florida Professor Jack Davis, author of the 2018 Pulitzer Prize winning book, “The Gulf, Making of the American Sea,” talks about the Earth’s tenth largest body of water, one of the planet’s most productive marine ecosystems. His work covers the history of the Gulf of Mexico from geological formation to the present. Former State Senator Elbert Guillory of Opelousas, Director of Minority Outreach for the Louisiana GOP, analyzes President Trump’s speech from the White House in favor of a border wall with Mexico. Democratic activist Susan Nelson assesses the partial government shutdown in its 19^th day.