Tristan Morgan was sentenced in a London courtroom
                                
                                
                                    (Newser) -
                                    An Anti-Semitic extremist who set fire to a British synagogue—and, partly, to himself—has been sentenced to remain in a hospital indefinitely,  CNN  reports. Tristan Morgan, 52, was seen on CCTV footage setting fire to a synagogue in Exeter, England, last July with a flammable liquid. Video shows his...