Domestic British terrorists display a dismaying pattern of normality.

Britain’s new export: Islamist carnage

By Daniel Pipes
Wednesday, August 4, 2010

In all, 28 countries have come under assault from British-based Islamist terrorists, giving some idea of their global menace.

Britain’s largest and longest-running terrorist investigation ended last month with the conviction of three British Muslims. Their 2006 plot involved blowing up trans-Atlantic airliners with the hope of killing up to 10,000 people. That near-disaster offers a pungent reminder of the global danger poised by UK-based radical Islam.

The Heritage Foundation calls British Islamism “a direct security threatâ€