South Korea's men's soccer team tried to confuse scouts from Sweden's team by swapping jerseys so their opponent couldn't tell the players apart. But could a strategy like that actually work?
If North Korea agrees to open its economy, its reserve of natural resources, young population, and strategic location presents opportunities for foreign investors.
President Trump says he expects to know quickly whether North Korea is serious about surrendering its nuclear weapons. But Pyongyang has fooled the U.S. in the past.
"There's a big risk for the North Koreans in telegraphing too much to their own people ahead of time," says Martyn Williams, who monitors North Korean TV. "So what they do," he says, "is wait."
President Trump has said U.S. forces are not on the table for potential negotiations with North Korea, but he has also complained about the cost of keeping them there.
The U.S. and North Korea are moving ahead with plans for a potential summit between President Trump and Kim Jong Un. It comes as South Korea's president held a surprise second summit with Kim.
President Trump's scuttling of a meeting with North Korea's leader caused South Korean President Moon Jae-in to call an emergency meeting of his advisers. The U.N. secretary-general expressed dismay.