The three-year conflict set the stage for decades of tension on the Korean Peninsula, but today many Americans know little about it.
President Trump discussed a range of issues with The New York Times, including the Russia inquiry, the tax overhaul and China, at his golf club in West Palm Beach, Fla.
The president said in an interview on Thursday that the special counsel will treat him fairly, contradicting a campaign by some Republicans to discredit the investigation.
The Trump administration suggested the U.S. would act against North Korea beyond the sanctions now being imposed for its rapid expansion of its nuclear weapons program.
Secretary of State Rex W. Tillerson offered tantalizing details about how the United States would race inside North Korea to seize its nuclear weapons in the event of a collapse.
It was only the latest example of a public rift between the president and his chief diplomat over North Korea.