Primary Outlet: CNBCBroadcast Date: Wednesday, March 23, 2011 - 12:52pmProgram: Squawk on the StreetBroadcast Type: interviewBroadcast Format: televisionScholar: Calabria, MarkSubjects: whether the fixed 30 year mortgage is obseleteResearch Area: Finance, Banking & Monetary PolicyLink: http://www.cnbc.com/id/15840232/?video=3000011772&play=1