In light of China's deepening economic slowdown, "China's foreign policy may well be driven increasingly by the risk of domestic political instability," write Robert D. Blackwill, Henry A. Kissinger …

The United States and Indonesia should collaborate on checking China’s growing assertiveness in the South China Sea and combating terrorism and piracy in Southeast Asia, while aiming for modest but achievable improvements in economic relations.

Botnets—groups of computers infected with malicious software often used for crime—cost the economy billions of dollars each year. Technology makers, ISPs, cybersecurity companies, and law enforcement need to work together across the globe to fight botnets.

President Donald J. Trump’s actions have often been rash, ignorant, and chaotic. Yet some of his individual foreign policies are substantially better than his opponents assert.

The Trump administration recognizes the China challenge, but it needs a grand strategy. Blackwill recommends decisive action, sustained diplomacy, collaboration among branches of the U.S. government,…