The FBI has arrested a Portland, Ore., lawyer in connection with the March 11 Madrid bombings, the New York Times reports. Brandon Mayfield is being held as a "material witness" rather than a suspect, but "officials confirmed Thursday night . . . that Mr. Mayfield's fingerprints matched prints found on a bag in the wreckage of the Madrid bombing." Mayfield is an American citizen and Muslim convert. Why is Portland apparently such a magnet for jihadis? Last August Maher Hawash pleaded guilty to federal conspiracy charges. As the Washington Post reported at the time, "In return for his promise to...