The head of a news agency and his deputy have been missing for a week in Makhachkala, the capital of Dagestan, a republic in the Russian Caucasus. Khuda-Media director Abubark Rizvanov and his deputy, Timur Kurbanmagomedov, went missing after leaving their office at 4 p.m. on August 20 to buy a printer cartridge. After they failed to return, their colleagues tried to call them on their mobile...