America must stand up to Putin's aggression and support Ukraine

It has been over three years since Russia illegally annexed Crimea. Yet the international community has barely lifted a finger to restore Ukraine’s sovereignty over Russian-occupied territory in Crimea and the Donbas.

Instead, we have seen half-hearted gestures and “tough talk” with very little to back it up. While America has imposed strong sanctions on Russia, our European allies have failed to match our resolve.