States have no friends, only interests—and the United States needs to focus more on what’s most vital.

America appears to be coming apart at the seams. The sociologist Frank Tannenbaum can help us understand why.

Western involvement in Ukraine has quickly gone from a euphoric cause célèbre to a catastrophe.

If you want to wage a proxy war on the other side of the planet, there will be tradeoffs here at home.

By helping Taiwan help itself, the United States can work to defend the island nation without risking war with China.