The discussion of Pierre Macherey, Hegel or Spinoza at the Association of American Geographers included Keith Woodward, Susan Ruddick, Stuart Elden, Vinay Gidwani, and Warren Montag. You can find the audio recording here.
I’ve posted the following before, but you can read a brief interview I did with the translator, Susan Ruddick, here. Society and Space published a version of the introduction and first chapter of the book in advance – both still available open access.
[cross posted at www.societyandspace.com]