In 2011, President Raul Castro urged state media to be bolder with more "objective, constant and critical" reporting.

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If you believe this historic range of returns set up a reasonably stable constant like gravity, then building companies with these metrics in mind is critical.

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In a world where change is the only constant, a Plan B -- and C, D, and E -- is truly critical.

CNN: Work skills you'll need to survive the 'conceptual age'