To its credit, the Biden administration has essentially followed the Trump national security team’s transformative policy toward communist China. It has gone further by emphasizing multilateralism and alliance-building to bring in support from democratic allies and partners against the common challenge. But, there have been some costly exceptions. The Biden team revived and revitalized the quadrilateral security relationship known as the Quad, among Japan, Australia, India and the United States. It established a trilateral security arrangement with Australia, the United Kingdom and the U.S., dubbed AUKUS, which enabled the transfer of nuclear submarines and technology to Australia. The AUKUS arrangement...