why not wait at least 3 month?

North Korea delivered a demand to the U.S. military on that it call off war maneuvers with South Korea scheduled at the same time as the second-ever summit between the rival Koreas later this month. During a meeting held at the North's request at the truce village of Panmunjom, North Korean officers read a statement to U.S. soldiers saying the exercises would have a catastrophic impact on ongoing six-nation negotiations on North Korea's nuclear disarmament. This year's exercise is scheduled for Aug. 20-31, meaning it would overlap with a meeting between the leaders of the two Koreas on Aug. 28-30 in Pyongyang, the second summit since the peninsula was divided after World War II.

I think we should wait at least 3 month after the diplomatic meeting for this war game.