Conservative author Ann Coulter is such a fervent supporter of Donald Trump that she wrote a book, released this week, called "In Trump We Trust." In the book, she wrote that there was only one thing the Republican nominee could do that would be unforgivable. And he already did it this week. "There's nothing Trump can do that won't be forgiven," Coulter wrote. "Except change his immigration policies." Over the past several days, Trump has moved to significantly moderate his hard-line immigration policies. He has seemed to have abandoned his calls to deport the 11 million immigrants who are living in the US illegally, now suggesting that he wants to be "fair but firm" regarding illegal immigration. And though Trump said this week that he wouldn't support a path to citizenship, he did propose "back taxing" some of the millions of immigrants living in the US without permission, a step that would require some form of legalization.