>Examining examples of preventative war waged by the United States, he notes that all of the nations that have been attacked have shared the same three characteristics: 1) they are "virtually defenseless", 2) they are "important enough to be worth the trouble" and 3) there has been a way to portray them as "the ultimate evil and an imminent threat to our survival."[27]
http://en.wikipedia.org/wiki/Hegemony_or_Survival#U.S._Imper...
Russia, along with China, are the only two countries with the potential to oppose the United States. It looks like Ukraine is been used by the to continue the attempted destabilisation of Russia.
Arseniy Yatsenyuk, the current president of Ukraine, has a foundation with some very interesting partners: http://openukraine.org/en/about/partners