"Leaked Pentagon documents strain US-South Korea relations"

Leaked Pentagon documents have revealed that South Korea has been reluctant to take a more assertive stance in its foreign policy towards North Korea and China, causing concern among US officials. The documents also highlight the importance of the US-South Korea military alliance, which South Korea has been hesitant to fully embrace. The leaks come at a time of heightened tensions in the region, with North Korea conducting missile tests and China increasing its military presence.