At the South Korea-United States summit, extending deterrence should be the top goal.

Ahn Ho-young, the former South Korean ambassador to the United States, has encouraged the leaders of the United States and South Korea to undertake an in-depth conversation on improving US steps to reinforce extended deterrence, the United States' pledge to protect South Korea with the entire range of its military capabilities.

The conversation comes ahead of a summit in Washington, D.C., next month, where South Korean President ....