After dumping my toothpaste and stashing my gel deodorant, I was turned back from the American Airlines’ SFO security line by a contractor saying that no rolling bags were allowed as carry-on. A half-dozen of us were incredulous. We had prepared for the “no-liquids” rule, but no one had heard of a “no-wheeled bags” rule….

I woke up this morning in the SFO Marriott to the news of the foiled plot to blow up London-to-US flights. I looked out my window and was relieved to see planes lined up and taking off over the bay. Turning back to the TV, I watched the live reports from SFO, OAK, and LAX….