Unions are funding Republican groups to help push through amnesty for illegal immigrants. What do George Soros, labor unions, and money-grubbing former GOP representative Steven LaTourette all have in common? They’re control freaks. They’re power hounds. They’re united against tea-party conservatives. And they have all operated under the umbrella of D.C. groups masquerading as “Main Street” Republicans. LaTourette heads up the so-called Main Street Partnership, which claims to represent “thoughtful,” “pragmatic,” “commonsense,” and “centrist” Republican leadership. Reality check: The pro-bailout, pro-debt, pro-amnesty, anti-drilling group founded by former liberal GOP representative Amory Houghton of New York includes three liberal Senate Republicans...