Only a handful of links this morning: Seth Masket investigates what happens when you raise the cost of voting. Unsurprising: minority and poor voters suffer more. Tim Burke pushes back against MOOCs and the failure of managerial class models of higher education. Nina Zumel provides a public service by transforming William Cleveland's plots into ggplot2. Gopnik on Galileo [The New Yorker] Xavier Marquez traces the spread of liberal norms:[I]t...