....Lake Buena Vista Resort Village & Spa is hoping the lure of permanent U.S. residency will eventually persuade well-heeled foreign investors to help it expand near Walt Disney World. [They] received government approval several months ago to serve as a "regional center" for foreign investment. Under federal immigration policy, an approved foreigner whose investment is supposed to create 10 full-time jobs in the U.S. can get a conditional visa to live here and can secure a regular "green card" good for permanent residency. The Lake Buena Vista resort is one of only about 35 such centers for EB-5 visas --...