Whether, under Strickland v. Washington, 466 U.S. 668 (1984), a single unreasonable error that raises a reasonable probability of a different outcome requires relief or, instead, whether a criminal defendant must also show that the single error was "clear cut and dispositive."

Whether a single unreasonable error by defense counsel constitutes ineffective assistance of counsel under Strickland v. Washington when it raises a reasonable probability of a different outcome, or whether additional 'clear cut and dispositive' requirements must be met