WASHINGTON (AP) — True to form, President Donald Trump sowed policy confusion with a tweet.

Declaring Wednesday that "talking is not the answer" on North Korea, Trump's message appeared to clash with efforts by his Cabinet members to safeguard the possibility of a diplomatic solution as Kim Jong Un's military races toward mastering a nuclear-tipped missile that can reach America.

The president's morning tweet came a day after a highly provocative North Korean missile test that flew over Japan, a close American ally, potentially endangering civilians on the ground. On Wednesday, Kim called for...