In this Tuesday Aug. 2, 2011 photo, Javier Acosta, owner of the Parthenon, prepares rum drinks in his privately-run restaurant in Havana. Changes spearheaded by President Raul Castro allow Cubans to work for themselves in 178 approved activities, hire employees and rent out rooms and cars. The Cuban leader has said the measures are crucial to rescue the island's perennially weak economy from the abyss, and he has warned his countrymen that there is no Plan B. (AP Photo/Javier Galeano)