Graham v. Collins

In this case, we are asked to decide whether the jury that sentenced petitioner, Gary Graham, to death was able to give effect, consistent with the Eighth and Fourteenth Amendments, to mitigating evidence of Graham’s youth, family background, and positive character traits. Because this case comes to us on collateral review, however, we must first decide whether the relief that petitioner seeks would require announcement of a new rule of constitutional law, in contravention of the principles set forth in Teague v. Lane, 489 U. S. 288 (1989). Concluding that Graham’s claim is barred by Teague,…