Originally Posted by SpinOn2

What exactly is the purpose of these?
My thing is, I have a US Passport and Global Entry, and so when coming into the US I essentially walk right back into the country with essentially no question at all. Yet oversees they seem to be more preoccupied with questioning me. Honestly I really don't see the point in these at all, they are honestly just an inconvenience.

Can anyone shed any light on this? I haven't ever paid much attention to this until now. Are programs like this really necessary, or is it just the TSA overreaching to try and be "safe"?