With US foreign policy in flux, Japan and South Korea are finding common ground on trade, defense, and demographic challenges.

South Korean President Lee Jae Myung is in Tokyo to hold his first full summit with Japanese Prime Minister Shigeru Ishiba in a visit largely aimed at showcasing friendly ties between the two Asian neighbors that now face common challenges from

By Tim Kelly and Joyce Lee TOKYO (Reuters) -Japanese Prime Minister Shigeru Ishiba and South Korean President Lee Jae Myung agreed on Saturday to closer security and economic ties ahead of Lee's planned summit with U.