Potpourri By John Sides on February 7, 2013 Amicus brief by several social scientists in re Shelby County v. Holder. Lots of members of Congress look alike. Forthcoming Pew data blog. “Lies, Damned Lies, and Big Data.” How long did people wait at the ballot box? Featuring data from MIT’s Charles Stewart. All of the Journal of Economic Perspectives is on-line. Photos of Grand Central, now 100 years old.