What kind of shape would the U.S. be in today if FDR's New Deal policies were still being used? According to author Thomas Geoghegan, we'd look a lot like Germany. Germany's social democratic policies, derided by some in this country, have produced a country that is debt-free, is one of the leading trade surplus countries in the world, offers free university education, provides universal health-care, etc...and Geoghegan says it's because the Allies set up the new Europe with the economic ideas of FDR and they've stayed true to most of them.
In the book world of 2010, a popular topic is the debate over whether social networking is a good thing or a bad thing. In books like "Where Good Ideas Come From" and "What Technology Wants," social scientist/journalists have explored whether, for example, Ted Stevens' pipes (the Internet) lead to a reduction in creative serendipity.