Is DHS effective in its five main mission areas?

http://www.hsgac.senate.gov/download/?id=B92B8382-DBCE-403C-A08A-727F89C2BC9B

In your opinion, considering a DHS budget of over $60 billion annually and over 200,000 employees:

Is DHS effective in its five main mission areas?
Is DHS of value to our nation?
Do you agree with the report statement: “Many of DHS’s programs are ineffective”?

Please reference your response