Ignorance and arrogance are a bad combination, even for a Democrat. Not even yet sworn-into office (“inaugurated,” as she inappropriately put it) as a member of Congress, Alexandria Ocasio-Cortez is upset that she gets criticized over her mangling of the proper terminology for discussing the federal government. Over the weekend, she spoke of the “three chambers of Congress” – and quickly (and inaccurately) corrected herself to say “three chambers of government,” not understanding that the executive and judiciary are not “chambers” but branches. Socialist Alexandria Ocasio-Cortez: "If we work our butts off to make sure that we take back all...