One day after Venezuelans around the world watched anxiously to see if cancer-stricken President-elect Hugo Chavez would emerge from a Cuban hospital, return to Venezuela and take the oath of office by the Thursday deadline spelled out in the country’s constitution, the implications in the region and beyond span a broad and hard-to-predict range.But both experts and expatriates say the uncertainty has inspired cautious hopes for reforms, both within the region and also to the at-times contentious relationship between Venezuela and the U.S.Venezuelans living in the U.S.