If you are looking for something to read today, I highly recommend the "Reynoso Task Force Report," with its accompanying "Kroll Report" appendix. These are the findings of the panel chaired by Cruz Reynoso, a well-known former Justice of the California Supreme Court, charged with looking into the causes and consequences of the pepper-spraying episode at UC Davis last November.
The report is relatively short, and is also direct, non-mealy-mouthed, and very much worth reading in its entirety.
If anything, the lengthy accompanying "Kroll Report," from private investigators retained by the U.C. system president Mark Yudof to look into the event, is more startling and dramatic. According to its cover page, it was originally considered "Confidential - Do Not Distribute," and you can see why. It includes a lot of raw testimony from people involved in the decisions about when and how to disperse the demonstrators.
Campus police and others come in for their share of criticism, including specifically the police lieutenant who has become notorious from the picture above. Both he and the UC Davis police chief remain on paid administrative leave. But at face value its findings are also very damaging to the still-serving Chancellor of UC Davis, Linda Katehi. For instance, the Kroll report says about a letter asking the demonstrators to disperse: