Maneuvers reflect bold attempt by Kremlin to halt decades of NATO expansion after the end of the Cold War; Putin working to strengthen alliances with countries opposed to West

Biden administration providing Kyiv further $200 million in defensive military aid amid concerns of Russian invasion; US says Putin plans to increase military presence near border

Recent diplomatic maneuvering signals growing realization that America's interest is moving elsewhere and now is the time for negotiations that were unthinkable just a year ago

US president threatens stiff economic sanctions, military bolstering of NATO allies; Russian leader says NATO to blame for tensions; White House describes meeting as 'useful'

European Union estimates Russia has 150,000 soldiers at frontier, says it will hold Moscow responsible for fate of imprisoned opposition leader Navalny, but won't use sanctions