PART IV _ Inequality has been on the rise across the globe for several decades. While some countries have reduced the number of people living in extreme poverty, economic gaps have continued to grow as the very richest amass unprecedented levels of wealth. Worldwide, the numbers are stark. As calculated by Oxfam.org, the ten wealthiest men in the world own more than the bottom 3.1 billion people According to an analysis by World Inequality Lab, the poorest 50% of the...