I CAN NEVER figure out what Jonah Goldberg is writing about. It happens in virtually every column I take the time to read. This time I did learn something new: the "7/7" terrorists were born and raised in Britain. Not terrorists from Aghanistan or Iraq or Jihadistan.

But, this part still confused me:

But even if the number doesn't grow, the danger is already enormous. The official number of British Muslims is 1.6 million, though most observers say it's closer to two million or so. The "official" guess at how many of these Muslims are jihadis is 16,000, based on the assumption that no more than 1 percent could be extremists.

That narrows it down.

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