Massachusetts voters may never know the true genetic heritage of Sen. Elizabeth Warren,D-Mass., but they can be very clear on what the law says about performing DNA testing without written consent. That's bad news for aspiring conservative super-sleuths, and Howie Carr in particular, who doubt that Warren really is of Native American ancestry. [Snip-em] While exceptions are made for clinical research, Massachusetts doesn't make allowances for genetic truther trolls eager to catch Warren in an obvious lie. And why should it? The senator has already embarrassed herself. Sans evidence of her ancestry, she submitted recipes to the Pow-Wow-Chow cookbook, claimed...