Taylor v. Buick Motor Division, General Motors Corp.

reviewing recent modifications in the law of other circuits, but finding it unnecessary to abandon the “mockery of justice” test | quoted in United States v. Cronic, 466 U.S. 648, 657, 104 S.Ct. 2039, 2046, 80 L.Ed.2d 657 (1984) | “The criminal defendant, whether represented by his' chosen counsel, or a public agency, or a court-appointed lawyer, has the constitutional right to an advocate whose performance meets a minimum professional standard.” | “minimum standard of professional representation”