For math geeks, March 14 is a delicious holiday that celebrates one famous number -- pi or approximately 3.14. The mathematical constant, which is the ratio of a circle’s circumference to its diameter, can be used to find the area…

Mar 16

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Live Chat: Economic Inequality

EDITOR’S NOTE: Join us live right here on Thursday, March 17 at 3p.m. ET for a chat between Paul Solman, Dante Chinni of Patchwork Nation and Derek Thompson of The Atlantic. The discussion will be…