You're reading: New York Times: Poroshenko sidelines opponent by stripping his citizenship

MOSCOW — Once they were prominent allies in opposing the Kremlin: President Petro O. Poroshenko of Ukraine and the former president of Georgia, Mikheil Saakashvili. Mr. Saakashvili even went so far as to emigrate to Ukraine to serve as a regional governor under Mr. Poroshenko.

Read more here.