Friday assorted links

1. Cyberextortion of universities.

2. Redux of my 2017 column on taking down statues and monuments.

3. The Poetry Foundation purge seems to me perhaps the weirdest purge — what exactly did they do wrong? (NYT)

4. Interview with Frank Serpico.

5. Andrew Gelman on peer review.

6. My talk to Jason Crawford’s Progress Studies group.  SoundCloud here.