I greatly appreciate your comments on this site, and worry I'm being obtuse, but I'm not sure what you feel is the "thinking that leads to attacks like this". I read Hirsi Ali as saying that we must band together and deliberately offend conservative Muslim sensibilities to protect free speech. This seems greatly at odds with many of the tenets of modern multiculturalism. Are you suggesting that we need to move away from the form of multiculturalism that grants power to the violent fundamentalist?