A Populist ‘Pink Tide’ Is Ebbing in South America, Argentine Vote Suggests

The presidential victory of center-right politician Mauricio Macri in Argentina marks a potential turning of the so-called pink tide of populist political movements that swept South America sharply leftward over the past 17 years.

While some populists, such as Bolivia’s Evo Morales, remain popular and firmly entrenched in power, others are now fading thanks to the decline in commodity prices that fuels the region’s exports, a string...