0G-20As world leaders gather in Canada this weekend, the nations with the most influence won't be the high-tech mavens. Joel Kotkin on why traditional industries still matter in the post-information age.Updated Jul. 14, 2017 4:20PM EDT / Published Jun. 26, 2010 10:27AM EDT Charles Dharapak / AP Photo,Charles Dharapak Charles Dharapak / AP Photo Stefan Rousseau, Pool / AP Photo Saul Loeb, AFP / Getty Images Reuters Saul Porto / Reuters Charles Dharapak / AP Photo Jason Reed / Reuters Christophe Ena / AP Photo Charles Dharapak / AP Photo Carolyn Kaster / AP Photo Jemal Countess / Getty Images Scott Olson / Getty Images Christophe Ena / AP Photo Gerry Broome) / AP Photo Carolyn Kaster / AP Photo Charles Dharapak / AP Photo Gerry Broome / AP Photo
Charles Dharapak / AP Photo Stefan Rousseau, Pool / AP Photo Saul Loeb, AFP / Getty Images Reuters Saul Porto / Reuters Charles Dharapak / AP Photo Jason Reed / Reuters Christophe Ena / AP Photo Charles Dharapak / AP Photo Carolyn Kaster / AP Photo Jemal Countess / Getty Images Scott Olson / Getty Images Christophe Ena / AP Photo Gerry Broome) / AP Photo Carolyn Kaster / AP Photo Charles Dharapak / AP Photo Gerry Broome / AP Photo