He said there was usually no point trying dead people because trials are about punishment and involve a process of interaction with the accused, including the accused's ability to defend him- or herself.
The most significant changes, of course, involve Fannie and Freddie, which just five months ago were still subject to 30% capital surplus requirements, a punishment of sorts for their accounting scandals earlier in the decade. (Those surplus limits were lowered to 20% in March in order to marshal the companies' aid in dealing with the mortgage crisis).