Is there an urgent need to further discuss the exception mentioned in Brecht v. Abrahamson 507 U.S. 619 (1993) where defendant's Sixth and Fourteenth Amendment rights are violated when their non-testifying co-defendant's confession is used against them at a joint trial?

QUESTION(S) PRESENTED 1. IS THERE AN URGENT NEED TO FURTHER DISCUSS THE EXCEPTION MENTIONED IN BRECHT V. ABRAHAMSON 507 U.S. 619 (1993). WHERE DEFENDANT'S SIXTH AND FOURTEENTH AMENDMENT RIGHTS ARE VIOLATED, WHEN THEIR NON-TESTIFYING CODEFENDANT'S CONFESSION IS USED AGINST THEM AT A JOINT TRIAL? 2. IS A DEFENDANT DENIED A FAIR TRIAL UNDER THE SIXTH AND FOURTEENTH AMENDMENTS, WHEN A SPECTATOR'S EMOTIONAL OUTBURST DURING TRIAL WAS PROVING TO HAVE HAD AN IMPACT ON THE JURY? . ;