Linda Wertheimer’s NPR interview this morning with retiring Bush speechwriter Michael Gerson is surprisingly tough, openly skeptical of Gerson’s evangelical eloquence as a responsible approach to reality. Challenged, Gerson loses hold of his rhetorical grace; when Wertheimer points out that Gerson’s biblical language of healing, spoken by Bush after Katrina, bore little relationship to the actual project of rebuilding New Orleans, Gerson simply stammered, “I hope it will.”