When an appellate court concludes that a conviction for one offense violated the First Amendment, is the appellate court required to apply the harmless-error standard set forth in California v. Champman, 386 U.S. 18 (1967), to determine whether to reverse the convictions for other offenses presented at the same trial?

QUESTION PRESENTED When an appellate court concludes that a conviction for one offense violated the First Amendment, is the appellate court required to apply the harmless-error standard set forth in California v. Champman, 386 U.S. 18 (1967), to determine whether to reverse the convictions for other offenses presented at the same trial? i