Colombia's new president, Ivan Duque, assumes office Aug. 7, marking a shift for the country on several fronts. Over the next few weeks, the conservative leader is expected to announce pushes to change direction on free trade negotiations, alter peace deals with Colombia's biggest insurgent groups and institute reforms aimed at reducing the corporate tax burden. But to accomplish those goals, he must gather enough support in Congress, especially when it comes to altering the deal his predecessor, Juan Manuel Santos, signed with the Revolutionary Armed Forces of Colombia (FARC) to end the country's longest and largest insurgency....
