Was the denial of Reginald Carr's Fifth, Sixth and Fourteenth Amendment rights to testify structural constitutional error requiring automatic reversal?

QUESTIONS PRESENTED 1. Was the denial of Reginald Carr’s Fifth, Sixth and Fourteenth Amendment rights , to testify structural constitutional error requiring automatic reversal? 2. Was the harmless error analysis employed by the Kansas Supreme Court to affirm Reginald Carr’s convictions and sentence of death contrary to this Court’s firmly established precedent in Chapman v. California, 386 U.S. 18, 17 L.Ed.2d 705, 87 S.Ct. 824 (1967)? 3. Does the Due Process Clause of the Sixth and Fourteenth Amendments to the United States Constitution prohibit the conviction and execution of Reginald Carr, who was prevented by erroneous trial court rulings from denying, explaining or rebutting the allegations made against him?