Too bad there’s never an egg timer around when you need one. Arnold Schwarzenegger cooked his political future some more this week, recklessly endorsing the anti-illegal-immigrant Minuteman Project vigilantes and helplessly watching as a public poll showed him losing a third of his popularity in three months. Maria Shriver was on the warpath about her husband’s downward spiral, urging wholesale firings at the top of Team Arnold and consulting such unlikely counselors about saving her husband’s career as Dick Morris, the Republican who engineered Bill Clinton’s revival before becoming Fox’s favorite Clinton hater. The wily Morris made his national reputation...