Many fear changes to U.S. SEC's in-house trials not enough

By Lisa Lambert WASHINGTON (Reuters) - The top U.S. securities regulator on Wednesday will try to answer complaints it stacks the deck against defendants at in-house trials by approving its first major revisions to the administrative proceedings in two decades. The 13 comment letters it received after proposing the revisions in September all sent the same message: They do not go far enough. The 2010 Dodd-Frank Wall Street reform law allowed the SEC to pursue cases against a wider universe of def