TransCanada will start building the southern portion of its infamous Keystone Pipeline, after a county judge in Texas ruled in favor of the company. By being granted eminent domain, TransCanada will move to relieve the WTI bottleneck in Cushing, Okla., with a pipeline heading to the Gulf of Mexico. In this edition, Fool.com editor Joel South addresses the companies that will benefit and those that will lose if the Keystone project is fully completed.

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