This past week marked the unofficial start of the general election for President Barack Obama and former Massachusetts Governor Mitt Romney. Former Republican Senator Rick Santorum's departure from the presidential race cleared the way for Romney and signaled a shift to a new phase of the campaign. For more, we are joined by NPR national political correspondent Mara Liasson. Hi, Mara.
President Obama emphasized at a summit of leaders from across the Americas that the U.S. would not shift strategies in the war on drugs. His administration had, in recent weeks, faced criticism from some presidents who said the U.S. approach to the drugs trade had simply generated more violence in Latin America.
That wasn't the only thorny issue Obama faced in his trip to Colombia.
This is WEEKEND EDITION from NPR News. I'm Linda Wertheimer.
President Obama is in Colombia today, along with 33 leaders, gathered for the Summit of the Americas. During his visit, the president hopes to highlight growing economic ties within the region. On his way to Colombia, Mr. Obama made a swing-state pit-stop in Tampa, Florida.