But would not go easy on pocketNo issue with Airport Security. At most airports, the X-ray is very good and the operators are well trained.
I was seriously eyeing a very handy Carbon Fiber Tripod from Slik, the Pro 624 CF. It is a 4 section tripod which folds to just 14"and can carry a total weight of about 9 pounds (4Kg). It sells for $230 at B&H. This can go into your bag easily.