swabbing personnel s hands to check for explosive residue. experts say it will pick utmost of the explosives of the kind that are used by terrorists. it does occasionally get false hits, it can hit on some heart medications, on fertilizer, but the tsa says we have looked at this and we can cope with it. this will be random, pulling peaks aside and swabbing their hands with a cotton material and looking for traces of explosive residue. when there s a positive reading, the passenger will be pulled aside and there will be a secondary screening, they ll be asked questions, there will be a hard pat down, things of that sort. tsa says we re doing this randomly, but i traveled up to canada recently with a senior producer and they were swabbing everybody s hands. and carol, you got extra scrutiny. i had dictionaries and they