Fortunately, it's only an MBA, but I think that Megan McArdle should have her U of C degree taken away for this (her thinking, however, is as rigorous as one would expect from a Penn undergrad):
Sorry, bringing a gun to a large rally (while well within your rights) is not a real smart thing to do and t-shirts referencing "watering" the tree of liberty are implied threats of violence.
Previously, she had been an informed opposition voice, but here: she should pull her head out of her ass.
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