A sliver of good news from across the Atlantic: things could be much worse. Since the 2004 bombings in Madrid, authorities across the Continent have ramped up counterterrorism efforts, making hundreds of arrests and foiling several large-scale plots. Here's a rundown of some notable successes.
British authorities charged eight citizens last August with conspiracy to launch chemical attacks. One suspect, Dhiren Barot, a purported senior al-Qaeda frontman in Britain, allegedly possessed reconnaissance plans of four U.S. financial institutions that were the focus of a U.S. terrorism alert earlier in the month.
An Iraqi and suspected al-Qaeda...