Holly Otterbein reports on new assessments for each of the more than half a million land parcels in Philadelphia.  Dave Davies looks into allegations the William Penn Foundation engaged in lobbying when it hired the Boston Consulting Group to help restructure Philadelphia schools.  Gallup Poll Editor-in-Chief Frank Newport brings us the weekly poll numbers.  Next City Executive Director Diana Lind joins us to discuss this weekend's symposium on revitalizing urban corridors.  Elisabeth Perez-Luna finds out why immigrants are ahead of the curve when it comes to using smart phones.  And we get a Valentine's week in review from a "chocolate alchemist."