Argentine President Mauricio Macri and his wife, Juliana Adawa, arrive for the G-20 summit in Hamburg, Germany, July 6, 2017 (AP photo by Markus Schreiber).

Presiding over the Group of 20 seemed like a good idea back in 2016, when Argentina outmaneuvered India for this year’s presidency. The rotating leadership gig was supposed to showcase Argentina’s political and economic transformation after years of international isolation and scandal at home, and offer a chance at global leadership. Instead, largely as a result of jolting policy changes in the United States under President Donald Trump, Argentine President Mauricio Macri landed a burdensome assignment. So far, the G-20 warm-up meetings ahead of the November Leaders’ Summit in Buenos Aires have not rocked the influential forum, whose members represent […]

Iranian women attend an anti-U.S. gathering after Friday prayers in Tehran, Iran, May 11, 2018 (AP photo by Vahid Salemi).

The United States has found a new way to hurt the United Nations Security Council: Ignore it. Last week, I predicted that U.S. President Donald Trump was about to pull out of the Iranian nuclear bargain, setting the stage for a showdown in the council. This was half right. Trump quit the deal Tuesday. But his national security adviser, John Bolton, signaled that the U.S. does not plan to return to the U.N. to reimpose multilateral sanctions on Tehran. Instead, Washington will rely on unilateral secondary sanctions, which can cut non-American companies out of the U.S. market if they continue […]