Glenn Reynolds: "The Arizona Tragedy and the Politics of Blood Libel: Those who purport to care about the tenor of political discourse don't help civil debate when they seize on any pretext to call their political opponents accomplices to murder."

Jen Rubin: "The Arizona tragedy."

Wall Street Journal: "Murder in Tucson: Jared Loughner's sickness is not the product of politics."

Legal Insurrection: "Two Sicknesses On Display in Arizona."

Steve Hayes: "Sometimes A Tragedy Is Just A Tragedy."

John Podhoretz: "The rush to blame."

Ross Douthat: "United in Horror."