MINNEAPOLIS (AP) - The unique circumstances surrounding Derek Chauvin's trial in George Floyd's death could offer the former Minneapolis police officer some shot at winning a retrial on appeal, though most legal experts agree it's a long shot.Chauvin, who is white, kneeled on Floyd's neck for nearly 9 1/2 minutes last May, killing the 46-year-old Black man and sparking some of the largest protests in U.S.