adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-NATIONAL_WORLD","nativepaywallcategory" : "NATIVE_PREM-NATIONAL_WORLD"};HAVANA — Greeted with rum drinks and salsa dancers, the first passengers to cruise from the U.S. to Cuba in nearly 40 years streamed Monday into a crowd cheering the rebirth of commercial travel on waters that served as a stage for a half-century of Cold War hostility.