Wednesday on Fox Business Network's "Varney & Co.," Sen. Ted Cruz (R-TX), ....... insisted that his tax plan that would abolish the Internal Revenue Service, isn’t a “pie in the sky†proposal, as FBN host Stuart Varney suggested it was."Well, you know it's interesting," he said. "If you go back to 1981 when Ronald Reagan was elected president, he wanted to cut the top marginal tax rate from 70 percent to 28 percent. Every observer said that's pie in the sky, that will never happen and especially that will never happen with a Democratic House of Representatives and Tip O'Neill...