Ukrainian President Petro Poroshenko warned on Sept. 18 that Russia had put world security in peril, ahead of White House talks rich in symbolism but likely to dim Kyiv's hopes for US security guarantees.
Russia's War Against Ukraine
Agence France-Presse: Poroshenko warns US that Russia is global threat
Ukrainian President Petro Poroshenko (C) arrives to address a joint meeting of Congress at the US Capitol in Washington, DC, Sept. 18, 2014.
