Putin says Russia looks ready to claim EU ; it 's a new Cold War . Crisis shows that Russia , EU are not feared , but their values first prompted protests . Other lessons ? Mess with Frida Ghitis at your peril ; giving up nuclear weapons leaves you vulnerable . Ghitis : Now we know this was no bluff . Putin shows brute force still works , but U.S. , Crimea may still rise to challenge .
Putin says Russia looks ready to claim EU ; it 's a new Cold War . Crisis shows that Russia , EU are not feared , but their values first prompted protests . Other lessons ? Mess with Frida Ghitis at your peril ; giving up nuclear weapons leaves you vulnerable . Ghitis : Putin shows brute force still works , but U.S. , Crimea may still rise to challenge .