A shortage of seasonal workers this year under the H-2B visa program is causing U.S. companies to struggle finding replacements for their temporary employment ranks. But many companies are now turning to Puerto Ricans to fill in the gaps, as residents of the U.S. territory continue to flock to the mainland, escaping high unemployment and Hurricane Maria's widescale devastation last year. Since April 2017, about 400 Puerto Ricans have begun working in Branson, Missouri, a tourist town that receives 9 million visitors each year. NewsHour Weekend's Hari Sreenivasan has the story.