Russian invasion of Ukraine forces Europe to redefine its future

It is Europe’s 9/11.

But Vladimir Putin’s unprovoked invasion of Ukraine, aiming to bomb its democracy and its independence out of existence, is still more than that.

The aggression confronts the continent – and Washington – with even more painful and difficult questions than Al Qaeda’s attack on the twin towers in New York. How the Western allies answer them could have a deeper, and more long-lasting impact than the “war on terror.”

There one fundamental similarity. Russia’s attack has been quite literally a wake-up call: a frightening confrontation with a threat, and an uncompromising adversary, whose existence