Open tabs: More interpretations of tragedy

• Greg Sargent on the "both sides so it" argument, and when it's fair to blame a side.
• Can an individual engage in high-frequency algorithmic trading? Not yet, but once they can, there will be an exciting new way to lose all your money.
• Conservatives think they don't need to be held responsible for their rhetoric because none of them take their own rhetoric "seriously" -- only a complete goober would take it seriously! -- which is lovely proof of their utter contempt for their audience.
• I will say that there is one very good post on the subject of demagoguery over at The Corner, by Heather Mac Donald.
• Larry McMurty lives in Tucson, and wrote about the massacre.
• Communications professor Michael Serazio on Jared Loughner's "anti-social media."
• Will Bunch on the curdled dream of Arizona.

By Alex Pareene

Alex Pareene writes about politics for Salon and is the author of "The Rude Guide to Mitt." Email him at apareene@salon.com and follow him on Twitter @pareene

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