Claim that S1983 action against Park Service police for unlawfully detaining a Secret Service agent constitutes an impermissible extension of Bivvens is waived for not being raised below; District Court was not obliged to independently assure itself of the remedy's availability, and the scope of the Bivvens remedy is not a jurisdictional question.
Appeal citing deposition testimony contrary to the reading of the facts in the decision below is not a matter for interlocutory review.