Because Cincinnatus is a figure - and maybe we understand it better now - that was considered to have great pertinence to American history.

NPR: A Quick Trip Through the History of Capitol Hill

The coal sector can maintain its pertinence, he insists, but only if it pursues a new path by embracing investments in coal gasification and carbon capture and sequestration tools that improve efficiencies and reduce emission levels, all of which would give coal leverage in competitive energy markets.

FORBES: A Wounded Coal Industry Seeks To Unseat A Rockefeller Who Turned On Them