“Who controls the past controls the future. Who controls the present controls the past.” That was the slogan of the Ministry of Truth in George Orwell’s “1984,” where Winston Smith worked ceaselessly revising the past to conform to the latest party line of Big Brother. And so we come to the battle over history books in the schools of Texas. Liberals are enraged that a Republican-dominated Board of Education is rewriting the texts. But is the rewrite being done to falsify history, or to undo a liberal bias embedded for decades? Consider a few of the issues. The new texts...