Because Niebuhr identified with white moderates in the South more than with their black victims, he could not really feel their suffering as his own. When King asked him to sign a petition appealing to President Eisenhower to protect black children involved in integrating schools in the South, Niebuhr declined. Such pressure, he told his friend and Supreme Court justice Felix Frankfurter, would do more harm than good. Niebuhr believed that white ministers from the South would be more effective.[26]