Conservative columnist Diana West, arguing that it's time for "American Patriots" to rally around Trump, offers a concise summary of the apocalyptic vision that has taken hold among quite a few self-identified conservatives:... West's first point on the path to extinction is a "demographic transformation." The United States is 77 percent white, 13 percent African American, about 17 percent Latino, and 5 percent Asian. Those numbers will change in a generation; staid demographers and rhetorical firebrands alike refer to it as the "browning of America." West and others assert that a majority-minority United States will be a lesser country --...