Why Presidential Polls Vary So Much

Political opinion polls don't mean nothing!  Right?  

Wrong!

Did you know that as an election nears, polls tend to become more accurate. The Gallup organization has a long list of polls vs. results in previous presidential elections that show them doing pretty well in their final surveys prior to election. Read about it here, and more!

http://www.livescience.com/culture/081031-watercooler-crazy-polls.html