Occupy Wall Street protests around the country have raised questions about the role of the police. Norm Stamper, Seattle's former police chief, Philadelphia police commissioner Charles Ramsey and Brooklyn College sociologist Alex Vitale talk about the evolution of crowd control tactics.
It's Tuesday and time to read from your comments. On Thanksgiving, we talked to Dave Isay, founder of StoryCorps, about the National Day of Listening, which focused this year on teachers. Kavon Hasari(ph) wrote, I came to the United States at age 12 from Puerto Rico. The rigor and criticism of several English teachers and the French teacher in Miami made me want to become a better writer. Now I make a living writing in English and French.