>The real issue, for me, is: Why can't people move freely between different countries? After all, people can move freely between Cochabamba and Santa Cruz, and I guess you can move with similar ease from New York to California, for example, so why should it be any different on a larger scale?
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Let me try to answer your question. I think for the same reason that a bunch of americans can't start up a company, move to Venezuela, start drilling for oil, filling up oil tankers and sell the oil to whoever they want.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham