Did the U.S. Court of Appeals for the Fifth Circuit err in its denial of a certificate of appealability to review the U.S. District Court's denial of habeas relief for the petitioner-appellant?

QUESTIONS PRESENTED !. Did the U.S. Court of Appeals for the Fifth Ciruit err in it's denial of a certificate of appealability to review the U.S. District Court's denial of habeus relief for the 2. Does the State of Texas! statute regarding "deadly weapons" and it's application in criminal prosecutions violate Due Process allowing arbitrary prosecutions? 3. Are a person's bare hands legally sufficient "deadly weapons"? &. What is the threshold for deficient counsel to overcome a praocedural default precluding review of the merits in claims seeking habeus relief? 5. Can appellate courts review claims not expressly stated in original petitions for habeus relief that are closely related to Claims contained in the original petition?