In fairness to the TSA, they do find things. Here are the statistics from October 2012:
  The T.S.A. Disclosed the official Airport Screening Resultshumor1
October 2012 Statistics On Airport Screening From The Department Of Homeland Security:
Terrorists Discovered
0
Transvestites
133
Hernias
1,485
Hemorrhoid Cases
3,172
Enlarged Prostates
8,249
Breast Implants
59,350
Natural Blondes
3
 

For those who voted for Obama, perhaps I should remind you again that this is a joke.