(REUTERS)  A Russian military plane carrying 92 people, including dozens of Red Army Choir singers, dancers and orchestra members, crashed into the Black Sea on its way to Syria on Sunday, killing everyone on board, Russian authorities said. The Russian Defence Ministry said one of its TU-154 Tupolev planes had disappeared from radar screens at 0525 MSK (9.25 p.m. ET), two minutes after taking off from Sochi in southern Russia, where it had stopped […]