*Part 1: NATO, The Warsaw Pact and Soviet Union What does Putin really want? What can stop this war? Why did NATO encourage Ukraine to join NATO? Isn’t Russia justified in opposing Ukraine’s application to join NATO, since it would bring foreign troops (and by extension, weapons) to Russia’s borders? But if that is Russia’s justification, don’t Lithuania, Latvia and Estonia (NATO members since 2004) also share borders with Russia? Why didn’t Russia go after them before they joined? These are questions that have been asked in the…