piritual messages made the Rev Billy Graham famous, but it was a different sort of message that he transmitted to Lyndon B Johnson in September 1968. Earlier that tumultuous year, the president announced on live television that he would not run for re-election. The race to succeed him pitted the current vice-president, Hubert H Humphrey, against a previous VP, Richard Nixon. An anti-establishment third-party candidate, George Wallace, a segregationist former governor of Alabama, was attracting unexpected support, amid backlash to Johnson’s Great Society reforms. Graham’s message to Johnson came from Nixon and contained an unorthodox proposal. If elected, Nixon offered...