How scared should you be?

Not a good day, given the news from London.

Our two cents: it's all good news. After all, the security system in place has worked and a terrorist plot was averted.

Just remember: no liquids in your carry-ons. And for those of you in London - patience is advised.

The Department of Homeland Security has a press release posted on their site. You might want to read and heed.

From the text of the release:

Due to the nature of the threat revealed by this investigation, we are prohibiting any liquids, including beverages, hair gels, and lotions from being carried on the airplane. This determination will be constantly evaluated and updated when circumstances warrant. These changes will take effect at 4:00 AM local time across the country. Travelers should also anticipate additional security measures within the airport and at screening checkpoints.

This is rather unfortunate, as they have just started to relax the carry-on rules.