TODAY, News, May 18: High-Stakes Week of Elections| Hantavirus Outbreak| One-on-One with Delta Airlines CEO

High-stakes elections in six states this week are being closely watched by President Trump, as the results could shape the outcome of the November midterm elections. Plus, the cruise ship linked to the deadly hantavirus outbreak arrived in the Netherlands overnight, with 18 Americans still in quarantine. Plus, Delta Air Lines CEO Ed Bastian stops by Studio 1A as the countdown to Memorial Day weekend begins, and the busy summer travel season gets underway.