As he had served less than two years of President Kennedy's term, Johnson was constitutionally eligible for election to a second full term in the 1968 presidential election under the provisions of the 22nd Amendment. As he had served less than two years of President Kennedy's term, Johnson was constitutionally eligible for election to a second full term in the 1968 presidential election under the provisions of the 22nd Amendment. However, beginning in 1966, the press sensed a 'credibility gap' between what Johnson was saying in press conferences and what was happening on the ground in Vietnam, which led to much less favorable coverage. By year's end, the Democratic governor of Missouri, Warren E. Hearnes, warned that 'frustration over Vietnam; too much federal spending and... taxation; no great public support for your Great Society programs; and ... public disenchantment with the civil rights programs' had eroded the president's standing.