Say this much about Arlen Specter: He takes threats to his political future very seriously. (The reason Pat Toomey nearly beat him in the primary certainly was not because Specter was caught napping.) The senator’s campaign to salvage his chance to head the Senate Judiciary Committee continues today with a Wall Street Journal op-ed. “The current controversy was artificially created by incorrect reporting,” he writes. “I never ‘warned’ the president on anything–and especially not that I’d block pro-life nominees.”