U.S. Sen. and 2008 presidential nominee John McCain is endorsing a fellow military veteran from Ohio in the race for U.S. Senate.
McCain visited Ohio on Monday to support Treasurer Josh Mandel. McCain says the 34-year-old Republican "represents the new generation of leadership" that the senator says is needed to control spending, improve the economy and boost national security.
Mandel is challenging incumbent Democrat Sherrod Brown. Brown's campaign criticizes Mandel's lack of experience and ill attention to his treasurer's job.
The controversies generated by climate science in recent years center around the human relationship with the natural world and with natural resources. This month, historian John Brooke puts that critical question in historical perspective—deep historical perspective. For most of human history, our species had to struggle to survive powerful natural forces, like climate and disease. In the past three centuries, however, things have changed dramatically: that struggle has been reshaped by the unprecedented growth of the human population—from under one billion to now over seven.