Bob Woodward exposed reams of classified intelligence in his most recent book. But it was Barack Obama’s assertion of the obvious that ignited outrage among his national-security critics. The president told Woodward that “we can absorb” another terrorist attack—implying that we won’t be able to prevent every attempted act of terror. The conservative blogosphere lit up. Liz Cheney accused Obama of an “alarming fatalism” and of abdicating his paramount responsibility: to do everything in his power to protect the American people. Obama’s approach to terrorism is not immune from criticism. But he deserves credit for treating voters as grownups. After the recent series of near misses—the underwear bomber last Christmas, the Times Square attempted bombing, the “package plot”—who would bet against a terrorist getting lucky and slipping through our defenses in 2011?