Is the Cold War Back?
Despite a revival of the term, the political and physical landscape of the "Cold War" has changed significantly since the breakup of the Soviet Union.
The term "Cold War" has been resurrected in recent months as the conflict in Ukraine has ebbed and flowed. A cease-fire agreement has stilled full-scale fighting for now, but the peace is fragile and the conflict far from settled.
Western nations and Russia have been hitting each other with sanctions, and Moscow has upped the ante by saying it may block the airspace over its vast territory, all nine time zones of it.
And in another modern echo of the era that ushered in the Berlin Wall, Ukraine is planning a 1,000-mile-long wall along its land border with Russia. The start of construction was announced, in a sign of the times, by Ukraine's security forces on their Facebook page.
Much, clearly, has
