From The Economist online (subscription necessary):

"The same will certainly be true of London. Like all large modern cities it is vulnerable to disruption. Millions of people pour into or through the city every day, through its huge transport network, making it easy to identify places to plant bombs and propagate fear. But that also makes the city adaptable. And there is no doubt that the experience of being attacked is likely to make Londoners more determined to resume their normal lives, not less. That would be true even if London had not previously endured decades of attacks from Irish terrorists, but that history makes resilience an even safer bet.

...the attacks will reinforce the case for pressing on with the long-term task, as defined by Mr Blair: the establishment of a stable democracy in Iraq, peace between Israel and Palestine, and democratic reform elsewhere in the Middle East. If that sounds rather close to Mr Bush's policy, that's because it is. No terrorists can change that. "

Any questions?