Obama and Asia.

The article discusses the foreign policy of U.S. president Barack Obama toward Asia, adapted from the book "The China Challenge: Shaping the Choices of a Rising Power" by Thomas J. Christensen. It argues that the U.S.-China security relationship and U.S. relations with the Asia-Pacific region became more tense during Obama's presidency. It examines Chinese government policies toward its neighbors, nuclear weapons proliferation, and Chinese nationalism.