Haven't found a coupon, but if you are a member you can get a discount, say you have a membership with another Zoo, they may honor that membership and get a discount also. Hope it helps.
I found these 2 Coupon offers, these are posted on my Mahalo page - mahalo.com/columbus-zoo-coupons: Coupon sources found for Columbus Zoo as at December 10, 2009 were: #Receive $1 off entry when you purchase the Columbus/Central Ohio Discount Book (Cost $19.99 with other vouchers included)http://columbus.entertainment.com/discount/Columbus_Zoo_and_Aquarium/coupon/06109287061RED01150566EPC00497999PRD00000001.html;jsessionid=YOvkVhLI2YNyliY9g4VJ2A**.register4 #Stay at the Columbus Marriott Northwest, receive discount off Columbus Zoo entry, contact Marriott for details, offer expires September 30, 2010http://www.marriott.com/hotels/hotel-deals/cmhnw-columbus-marriott-northwest/?offerInfo=373764.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.