The structure's cone-like shape was designed to reduce wind turbulence, yet there is only one piece of curved glass on the building: a lens-shaped cap at the very top.

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In a worst-case scenario they take up a roster spot and a miniscule piece of cap space, and at best they emerge as top playmakers at a bargain price.

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In 2008 another piece of major legislation was introduced: the Lieberman-Warner bill, which would implement a nationwide cap-and-trade program on carbon emissions.

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