Centenary College has a new Athletic Director.Dr. William Broussard comes to the Shreveport campus from Northwestern State University where he's been serving as Associate Athletic Director for External Relations and Executive Director of the NSU Athletic Association.  Broussard is a native of Crowley, Louisiana, and played football at NSU before leaving to pursue master's and doctorate degrees from the University of Arizona.   After a stint at Pima Community College in Tucson, he returned to his alma mater and has been there ever since.