Baldwin v. Blackburn

holding that a failure to comply with state law requirements presents a federal habeas issue only if it involves federal constitutional issues | holding that a failure to comply with state law requirements presents a federal habeas issue only if it involves federal constitutional issues | courts considering habeas petitions are not required to accept blindly speculative claims | trial judge’s failure to instruct jury that one of statutory aggravating circumstances must be found to convict defendant of first degree murder resulted in no prejudice becausé jury found one of such aggravating circumstances at sentencing phase