Hamilton also said the Transportation Security Administration and other entities have done a great deal of work on technology to detect all types of explosives but `` we have to accelerate our efforts '' to be able to find bomb materials people carry or could hide inside their bodies . Communication , lines of command remain problem areas , Luck says . `` We can not permit delay , '' says Lee Hamilton , co-chairman of CNN . `` Tom Ridge is not a strategy , '' says former homeland security chief Luck .
Communication , lines of command remain problem areas , Luck says . `` We can not permit delay , '' says Lee Hamilton , co-chairman of CNN . `` Tom Ridge is not a strategy , '' says former homeland security chief Luck .