The article improves once she lets others do the talking, who make a far better case than she does. She paints liberal philosophy in black and white terms, that they accept Fundamental Islam while vilifying less intolerant forces at home, such as Christian Evangelism. There are more than two sides to this situation. I don't think that viewpoint is accurate or is adhered to by many liberals at all.
Fundamental Islam is offensive to a western liberal to the point of it not needing mention. It's been like that for years and it's become a given. What has changed and is worth mentioning is there are similar beliefs popping up here in the West with a fundamentalist movement all their own. It's the same with Israel, while we certainly have more in common with them there is no denying that they have become terribly aggressive and belegerent as of late, what with partioning Palestine and dropping cluster bombs on Lebannon, to name a couple examples.
For a secular liberal to point out that old allies are changing their ways for the worse in no way supports the age-old cultures that we didn't and still don't endorse. It's called cleaning up your own backyard first.