Russia may try to destroy NATO in six months — political scientist Oleshchuk
European allies ask U.S. to coordinate any troop pullback from Europe
Kremlin denies asking U.S. to withdraw troops from Eastern Europe
Ukrainian-Polish gas hub to ditch Russian energy dominance
Pentagon rules out THAAD deployment in Eastern Europe to bolster Ukrainian air defenses
Storm Boris triggers deadly floods in Central Europe, disrupts rail services - Photos