Ever had to take your laptop out of its bag and had it gone over with a fine-tooth comb at an airport? We have, and they turned it on, and ran over it with a swab to check for explosive residue. Yet another time-eating ritual. On Friday the TSA announced that Saturday, new laptop bag rules would go into effect, and laptops would be allowed to stay in some laptop bags deemed “checkpoint-friendly.” The TSA asked asked laptop bag manufacturers to design bags that would not obstruct the image of a laptop when put