1. A non-English-speaker imitating an American accent (badly).
2. Can peer grading work for MOOCs? And troubled students in MOOCs, including MOOC murder as a concept.
3. Paul Krugman drives the deeply innocent Miles Kimball into a flurry of response. Here are some EU interchanges and reactions with Krugman, the last tweet cited is classic mood affiliation.
4. Does Chinese have a word for “nerd”? Here is a new book on the economics of baseball.