Police officers detain Piotr Davrishadze (2nd r.), who is accused of spying for Russia, in Batumi, in a still image taken from undated video released Nov. 5. Georgia said on Friday it had dismantled a Russian spy ring, arresting four Russian citizens and nine Georgians two years after the ex-Soviet neighbors fought a brief war. Georgia on Friday accused 13 people, including four Russians, of spying...