If people with ideas move from consumers to "builders," economies globally can reverse negative economic trends.
A 1972 Gallup poll found football eclipsing baseball for the first time as Americans' favorite sport to watch.
Seeking meaningful and productive lives, "builders" in cities throughout the world could revitalize stagnant economies.
Stagnant economies around the world could be revived by a new class of entrepreneurs, or -- more broadly -- of "builders."
Public opinion changed in significant ways over the course of Barack Obama's presidency on issues such as the economy, trust in government and race relations.