How do the Obama deficits compare with past presidents? And how did the national debt get so big anyway. This video tries to answer those questions by looking at the debt as a road trip and seeing how fast different administrations have been traveling. Historical debt data: www.treasurydirect.gov Inflation data: www.westegg.com Future debt data (2010 - 2016): www.whitehouse.gov For more, follow my Twitter account at PoliticalMath or visit my blog at politicalmath.wordpress.com...