Whether Petitioner's Due Process rights were violated

QUESTION PRESENTED Whether Petitioner’s Due Process rights were violated when the Court of Appeals failed to remedy the District Court’s improper acceptance of Petitioner’s unknowing and involuntary plea, which conflicts with the Supreme Court’s decision in Bradshaw v. Stumpf, 545 U.S. 175 (2005) and Kercheval v. United States, 274 U.S. 220 (1927)? i