is just one piece of a failing system. >> my heart is with the passengers. we in this country rely on god. we rely on luck. not on security. because we don't have security. >> reporter: a memo leaked to the newark store ledger says new york ierpt t airport feels there is security gaps there. >> the security in our country and especially our airport is worse today than before september 11th. spend the right money in this country. build a high level of security. show the world that no one can kill us anymore. >> reporter: meanwhile, the airports aren't the only transportation hubs at risk. senator ball provided cnn with a document showing other places union officials feel are vulnerable. one is the country's largest bus terminal, port authority. >> it's been thrown through tham there is a road that used to be secured but now is not secured