By Abigail Hall
WASHINGTON (PNN) - September 10, 2014 - Class is back in session for most colleges and universities across the country. Last year, I had the privilege of teaching college economics courses for the first time. We discussed many issues, from the economics of the so-called War on Drugs and the so-called War on Terror, to the minimum wage, to why airlines offer discounts to grandmothers but not businessmen. It was during one of these discussions, when analyzing a particularly nefarious but common policy, that one of my students raised his hand. His question was simple.












