The writer is a Senior Fellow at the Brookings Institution
The poisoning of Alexei Navalny, a prominent critic of Russian president Vladimir Putin, has brought Russian relations with western countries to a perilous impasse.
After doctors in Berlin identified the substance used as a military-grade nerve agent of the novichok group, German chancellor Angela Merkel issued a sharp condemnation: Mr Navalny was “meant to be silenced”, she said, adding: “this raises very difficult questions that only the Russian government can answer, and must answer”.
您已閱讀12%（549字），剩余88%（4040字）包含更多重要信息，訂閱以繼續(xù)探索完整內(nèi)容，并享受更多專(zhuān)屬服務(wù)。