Juxtaposition

noun- an act or instance of placing close together or side by side, esp. for comparison or contrast.

http://www.nytimes.com/2008/06/13/world/asia/13fat.html?_r=1&no_interstitial&oref=slogin
http://www.nytimes.com/2008/03/11/business/11mcdonalds.html