Potpourri By John Sides on June 3, 2013 Boris Shor on the ideologies of possible appointments to fill Lautenberg’s seat. The increasing social liberalism of older Americans. (Abortion attitudes don’t fit this pattern, however—for any age group.) Daniel Kahneman on behavioral economics and psychology. A defense of the linear probability model. #shotsfired indeed. Speaking of shots fired, Merle Haggard leads an interesting life. Via @prisonrodeo.