The Dream: International Travel. The Reality: Chaos and Confusion. The world beckons, especially for those who have been vaccinated, but would-be travelers face a difficult moment when travel possibilities are at odds with the facts of a still reeling world. A sign in front of the Louvre in Paris last June announced the museum’s closure. It is currently still closed to the public. Credit...Thomas Samson/Agence France-Presse — Getty Images May 5, 2021Updated 10:51 a.m. ET In recent days, a steady stream of promising news has painted a rosy picture of the return of international leisure travel. But the optimism may be premature. At the moment, the broader reality is more chaotic, and more sobering.