Is America ready for a second act of Trump's foreign policy—this time, no restraints? In a recent blog post, Columbia University political scientist and Good Authority senior editor Elizabeth Saunders wrote about what happens when the 'madman' in U.S. politics suddenly becomes predictable. Kim Yi...

Despite promising to reduce greenhouse gas emissions in the 2015 Paris Agreement, many governments maintain low gasoline taxes or even allow citizens to buy gasoline below market prices. UCLA professor Michael Ross explains why it has proven to be so hard to move away from gasoline subsidies and,...