Primary Outlet: WOAI (San Antonio TX)Broadcast Date: Tuesday, March 29, 2011 - 10:13amProgram: San Antonio's First News with Charlie ParkerBroadcast Type: interviewBroadcast Format: radioScholar: Preble, Christopher A.Subjects: President Obama's speech on U.S. involvement in LibyaResearch Area: Foreign Policy and National SecurityLink: http://www.cato.org/multimedia/radio-highlights/christopher-preble-discusses-pre…