Can optimism be a substitute for doing really hard work? Or is it just a very transparent excuse for a cop-out on climate change?

What is the real challenge President Obama and the American people must urgently resolve?

Does it even make sense to hold federal elections in the United States? After all, they never provide any real resolution.

How did Germany link its own ideas to those emerging from France, North America and South America in the late 18th and 19th centuries?

The Germans did not have an overseas empire in the 18th century. How did they still become a global force in trade, science, religion and exploration?