LOS ANGELES — The suspect in Saturday night's Lunar New Year mass shooting in Southern California was identified Sunday after he appeared to have died from a self-inflicted gunshot wound, authorities said. "The suspect in that tragedy is no longer with us," Los Angeles County Sheriff Robert Luna said. "He is no longer a threat." Luna named the man as Huu Can Tran, 72. The question why, however, in the attack that killed 10 people and injured 10 others at a Monterey Park dance hall, remained. "We still are not clear on a motive," Luna said at an early evening...