Poverty. Equity. Testing, and how standardized assessment plays into both. These are themes that dominated Bridging Differences in 2013. Looking back at the blog this year revealed that the most-read posts in 2013 were written by numerous writers (Eric Hanushek, Alfie Kohn, Michael Petrilli, Elliott Witney, and, of course, Deborah Meier) on different aspects of the achievement and experience gap between rich and poor students.