Sergey Lavrov has weighed in on the case of a Russian-German teenage girl who alleges she was kidnapped and raped by migrants in Berlin. German police so far reject the girl's version of events. Russian Foreign Minister Sergey Lavrov demanded a full explanation from German authorities during his annual address on Tuesday, saying it was clear the 13-year-old didn't "voluntarily disappear for 30 hours." "The information was covered up for a very...