Why dos President Eisenhower say appointing Earl Warren to be Chief Justice of the Supreme Court was his worst mistake?

President Eisenhower regarded appointing Earl Warren as Chief Justice of the Supreme Court as his worst mistake because Warren's leadership led to several landmark rulings that expanded civil rights and desegregation, which Eisenhower felt were too progressive and contrary to his own more conservative views. Eisenhower believed that Warren's activism on the Court shifted its focus away from judicial restraint and stability, leading to decisions that created significant political and social upheaval. Ultimately, Eisenhower felt that Warren's tenure did not align with his vision for the judiciary and the nation.