Tariffs have long been used to influence trade policy, but their modern impact on technology in the United States is profound ... and the future of American manufacturing. The Immediate Impact ...

author and longtime syndicated columnist Cal Thomas explores the validity of this possibility by analyzing the rise and fall of former empires and investigating the parallels to the United States.

Read more from Slate’s special issue on the future of food. Which counties, states, and countries have the biggest stake in food and its future? Look to these three maps to find out. Percentage ...