The 7/7 Bombs: A Year Later, but Little Wiser

AFTERMATH: A bomber killed 13 people on this London bus; in total, 52 people were murdered in four suicide attacks

The July 7 London attacks were the first suicide bombings in Europe. A year later, what lessons have been learned from this atrocity? Such attacks by jihadist groups inspired by al-Qaeda ideology pose a particularly difficult challenge to those assigned to protect the public in an open society — and especially when the terrorists are "homegrown." Three of the four suicide bombers who carried out the London attacks were second-generation British citizens (the fourth, Germaine Lindsay, was a Jamaican-born British resident); the young men blended easily into the Muslim community, and their families and neighbors seem not to have known that...