LINDA WERTHEIMER, HOST:
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.
NPR's Scott Horsley reports.