This week's stories have no unifying theme other than they kind of capture the end of term mood, a certain grumpiness on the part of the writer (Bjorn Lomborg's tsk tsking of clean energy advocates, Paul Collier's screed against immigration) or not altogether pleasant images (an elephant run amok in a wedding, modern conflict with bows and arrows). Happy grading! Or dissertating! Or turning in those final papers! Enjoy. (My wife pointed out a...

