1. This Court has jurisdiction. Respondents' contention that the case should be dismissed because the promissory estoppel theory was not argued or presented in the courts below and because the State Supreme Court's decision rests entirely on a state-law interpretation is rejected. It is irrelevant to this Court's jurisdiction whether a party raised below and argued a federal-law issue that the state supreme court actually considered and decided. Orr v. Orr, 440 U.S. 268, 274–275, 99 S.Ct. 1102, 1109, 59 L.Ed.2d 306. Moreover, the Minnesota Supreme Court made clear that its holding rested on federal law, and respondents have defended against this suit all along by arguing that the First Amendment barred the enforcement of the reporters' promises. P. 2517.