Russia's War Against Ukraine
OP-ED
Steven Pifer and Strobe Talbott: Time to give Ukraine defensive weapons
When Ukrainian President Petro Poroshenko visits Washington on Sept. 18, he will almost certainly again ask for U.S. military assistance, including defensive weapons. President Barack Obama should say yes. Arming Kyiv can deter Russian Vladimir Putin from further aggression and support the fragile Ukraine ceasefire and settlement process. Doing so would also bolster U.S. efforts to prevent nuclear proliferation.