Why Is There Massive Attrition in the CIA?

After 9-11, the intelligence community completely transformed. It tripled in size by demand from Congress and the 9-11 Commission,. The intelligence community didn't know how to be big because that's what it was during the Cold War. So now all of a sudden we have thousands of spies when we used to have hundreds of spies. And then you spin down the global war on terror.