He noted that airport screening has evolved in recent years to include the banning of most liquids , removing shoes and other steps in response to specific threats , and added : `` The policies have to evolve . '' White House spokesman stops short of calling for help . Some people complain that the pat ##s are too intrusive . TSA says enhanced security is necessary for now .
White House spokesman stops short of calling for help . Some people complain that the pat ##s are too intrusive . TSA says enhanced security is necessary for now .