A debate on major issues in resources and the future.

The nation's bicentenary has spurred a number of leading scholars to take another look at the American Revolution. Some have uncovered new data on social and economic life in colonial America. Others have sought anew to explain the Revolution's causes and effects, its leaders' strengths and weaknesses. Here, Sociologist Robert Nisbet discusses the Revolution's social impact.

the specialists vary widely. There are optimists like Geologist James Boyd who see technological solutions; pessimists like Systems Analyst Dennis Meadows, co-author of The Limits to Growth; and those in between like Nuclear Physicist Alvin Weinberg. In a lively "evening dialogue" earlier this year at the Wilson Center, these three men and their audience examined major issues that crop up in discussions of resources and the future. We present an abbreviated transcript of their debate,...