Zach Seward previews Drexel University's new Excite center to promote science, technology, and arts education and research.  Ann Murray of the Allegheny Front reports on NEWBio, a biofuel project in Pennsylvania and other northeastern states.  Carolyn Beeler tours the Philadelphia sewers.  Keegan Gibson, Managing Editor of PoliticsPA.com evaluates pollster performance in the recent presidential election.  Peter Crimmins tells about a Delaware County library that's in hot water with music industry giant Sony Music.