Whether it is the Mall of America or some other high profile/high traffic venue, they will attack sooner of later, even if it is a rogue nutcase working alone hoping to become a martyr. The worst part of it will be afterwards when we have to listen to yet another “Islam is a religion of peace” lecture from the great islamapologist in the Oval Office. As for the threat itself, I take it to be just another reminder to be aware of your surroundings at all times. We may not be at war with them but they surely are at war with us. Woe to them when they cross some line that causes us to be at war with them.