Assimilation is the enemy of terrorism

Charles Krauthammer, noting that one-quarter of all British Muslims sympathize with the recent bombings (and one-fifth have little or no loyalty to Britain), observes that these trends are worse among younger British Muslims. For this he blames a “massive failure of assimilation.”
Massive failure of assimilation?
Excuse me, but isn’t that the whole idea of multiculturalism?
Or is it just an unintended consequence?
Krauthammer maintains that the British situation is not analogous to the United States, because of our long history of assimilation.
However, the clear modern trend is to move away from assimilation — in the name of multiculturalism.

From the 1880?s to the 1940?s when millions of immigrants arrived in the United States, Assimilation was the accepted norm in our culture and society. Assimilation can be defined as the process by which groups adapt or change to the dominant culture. When the 1960?s brought with it the Civil Rights Movement, Cultural Pluralism or Multiculturalism replaced assimilation.

I don’t care whether it’s called “diversity,” “multiculturalism,” “identity politics,” or the old fashioned word “segregation,” it’s become increasingly clear that this stuff is leading the country in the wrong direction.
The British bombings ought to be seen as an early warning.