Amid reported disagreement over the wisdom of a “bloody nose” strike on North Korea, Victor Cha is removed from consideration for the post of U.S. ambassador to South Korea. Read Cha’s Foreign Affairs piece with Katrin Fraser Katz on the right way to counter North Korea; Abraham M. Denmark on how a limited strike could lead to full-blown war; and Julianne Smith and Loren DeJonge Schulman on the policy struggle between the White House and the Pentagon.