TODAY News, May 11: Americans Exposed to Hantavirus Arrive in U.S. | Trump Rejects Iran's Latest Proposal | Nike CEO One On One

Americans from cruise ship with hantavirus outbreak arrive back in the U.S. Also, President Trump rejects Iran's latest peace proposal. Plus, new details on fatal Frontier Airlines incident at Denver International Airport. And, an exclusive interview with Nike CEO, Elliot Hill for the new series "Business in America."