He knew his audience. In August, Texas Governor Rick Perry convened the Response, a seven-hour prayer rally in Houston. In his drawling sermon, Perry quoted Isaiah and Ephesians. Invoking the prophet Joel, however, drew perhaps the most emotional reaction from his listeners. "Blow the trumpet in Zion," Perry quoted from Joel 2, "declare a holy fast, call a sacred assembly." Knowing murmurs and amens rang out at Reliant Stadium. They loved the message--and the messenger.
The cheers, though, may have had as much to do with what he didn't read as with what he did. The context of Joel 2 is...