Why are there so many parallels between Mikhail Gorbachev & Barack Obama, w/Afghanistan to dissolution of USSR?

https://www.google.com/search?q=mikhail+gorbachev%2Bbarack+obama&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
Update: Especially Gorbachev/Obama both presiding over a disastrous war in Afghanistan and the eventual end of USSR/USA...
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