The people who built the George W. Bush Presidential Library, which opened today, envision hundreds of thousands of tourists descending annually on Dallas to gawk at the Decider-in-Chief’s artifacts. To pore over the “War President’s” trophies. To participate, virtually, in major crises that he faced. And, of course, to leave behind – in the form of admission tickets, gift shop baubles and Texas-sized meals – as much of the economic gains they’ve made up since Mr.