The 16th Amendment to the Constitution legalized federal income tax, but what if there were problems with the 1913 ratification of that amendment? Problems that call into question decades of tax collecting, and could even bring down the US economy. There is a surprising truth to this possibility a truth wholly entertained by Steve Berry, a top-ten New York Times bestselling writer, in his new thriller, The Patriot Threat. His protagonist, Cotton Malone,...