Just as in the wake of the 9/11 terrorist attacks, the world has again been naturally divided into two: those who are victims of terrorism and identify with those in pain, against those who partner, whether practically or empathetically, with those who have declared war on the free world.

For anyone who still uncertain of the reasons for last night’s attacks in Paris, ISIS’s announcement has provided no room for doubt. This brutal terrorism is the expression of the war that radical Islam has declared on the Western world – on its culture, on its values, on its religious and cultural beliefs.

But this connection – this shared pain – now felt by the free world cannot be the end.

We must join together in an uncompromising joint war effort. Christians, Jews and moderate Muslims must fight together. Individuals must choose whether they are on the side of terrorism, its organizations and activities – or on the side of those who will fight against it. There is no middle ground.

Read the article in full at the Jerusalem Post.