Frankly, I would fire every analyst, and find people that are truly interested in the security of the United States....Not some sleezy Evil Dum politcian.
Intelligence failure does not happen over night or within 3 years. It takes several years of neglect. The President and the Senate are responsible for taking care of the intelligence community. 911 commission said the CIA didn't have enough manpower or arabic linguist to take care of business. You reap what you sow.