Jackson, Wy – The president of a Jackson Hole think tank says he's running for the Democratic nomination to challenge U.S.Rep. Cynthia Lummis this November. Teton County resident David Wendt is the 65-year-old is president of the Jackson Hole Center for Global Affairs. The center's Web site says its flagship project is the U.S.-China Clean Energy Initiative to address carbon emissions from coal. Wendt says he wants to address Wyoming's "leadership gap" in Congress, and he attacked the delegation's lack of bipartisanship.