[The_Expatriate]

While I certainly wouldn't suggest letting our guard down, I don't think they will be any second strike until after the US takes some military action, allowing the terrorists to claim the new strike as retaliation for the US attack.

[MHGinTN]

Yes, that is the 'ratcheting up' approach and is meant to blame US for the escalation. I think Bush's speech tonight has served notice that the game will be played by our rules from here on and we attack the opposition team supporters as well as the opposition team.

[ClayHellion]

While I certainly wouldn't suggest letting our guard down, I don't think they will be any second strike until after the US takes some military action, allowing the terrorists to claim the new strike as retaliation for the US attack.

I'm not so sure. It seems to me that it would be extremely effective to launch another assault now just as people are easing back into routines, travel, etc.