Vladimir Putin is claiming that his invasion of parts of Ukraine is required because there are Russians in Crimea and eastern Ukraine, just as Adolf Hitler came to the “rescue” of Sudeten Germans in Czechoslovakia.

He seems intent, however, on bringing all of the Ukraine to heel, as his predecessors in the Kremlin did with Hungary and Czechoslovakia during the Cold War. What is in prospect makes the sort of aggression Putin previously engaged in with Georgia in 2008 pale by comparison.

In fact, Putin’s goal seems to be to reconstitute as much as possible of the old Soviet Union, whose collapse he once called “the greatest calamity of the 20th Century.” This statement, of course, speaks volumes about this former KGB colonel given the competition for that dubious distinction – including World Wars I and II and the genocides perpetrated by the Nazis and assorted Communist regimes.

President Obama has responded to this renascent threat to the free world in characteristic fashion: empty rhetoric about the will of the “international community” being flouted and unspecified costs that will be incurred if the Russians cross some ill-defined red-line. It would appear that they had already crossed it in Crimea even before Mr. Obama warned them not to.

Thus far, Team Obama’s most concrete idea of how to respond to Putin’s aggression in the Ukraine – and, presumably, that in prospect elsewhere in the Russian littorals he menacingly calls “the near abroad” – is to boycott the next spectacle in Sochi, this summer’s G-8 meeting. It is hard to imagine that such a penalty would even register as a cost in the calculations of the megalomaniac in the Kremlin.

What might just give Vladimir Putin pause, and perhaps spare the world another generation of Moscow-directed repression and imperialism, or worse, would be the adoption by President Obama and the rest of the Free World of a strategy modeled after the one Ronald Reagan used to end the last “Evil Empire.” It was articulated in a top-secret presidential directive known as National Security Decision Directive (NSDD) 75.

Today, the key elements of such a strategy should be:

An NSDD 75 2.0 formula is our best bet for preventing Vladimir Putin from realizing his goal of what would amount to an Evil Empire 2.0, a terrible defeat for the Free World and an ominous advance for its enemies worldwide.

Frank J. Gaffney, Jr. formerly acted as an Assistant Secretary of Defense under President Reagan. He is President of the Center for Security Policy (www.SecureFreedom.org), a columnist for Breitbart News Network, and host of the nationally syndicated program Secure Freedom Radio.