U.S. Senator Elizabeth Warren (D-MA), who is currently a candidate for U.S. president, has proposed the introduction of a 7% surtax on companies in addition to and separate from the current 21% corporate tax. As proposed, the 7% surtax would apply to companies with global profits exceeding USD 100 million per year and would be based on after-tax global income as reported in a company's financial statements. In particular, the surtax is meant to target large U.S. multinationals, such as Amazon, that have significant global profits but pay limited U.S. tax under current law. The likelihood of such a tax...