And so the conspiracy theories begin about just who was behind the immigration rallies that took place this week, not only in Dallas but across the country. Me, I tend to shy away from any Web site that employs Tammy Bruce as a columnist, but feel free to check it out for yourself. The section about Dallas is about two-thirds of the way down the page--somewhere between "cracked" and "bonkers" if you're going by headlines. --Robert Wilonsky