Cubans President Raul Castro says the country must become more productive . Castro has promised to improve efficiency by cutting some red tape . Expectations rise as a new president leads U.S for the first time in 1991 . Rare public displays of discontent show frustrations faced by Cuban .
Cuban President Raul Castro says the country must become more productive . Castro has promised to improve efficiency by cutting some red tape . Expectations rise as a new president leads Cuba for the first time in 49 years . Rare public displays of discontent show frustrations faced by Cubans .