爱沙尼亚外交部长查赫克纳：未来北约国防开支目标应占国内生产总值的5%。俄罗斯总统普京派遣低级别代表团前往伊斯坦布尔，就像打了人们一记耳光。

Core Viewpoint - The Estonian Foreign Minister, Jüri Ratas, suggests that NATO defense spending targets should be set at 5% of GDP, indicating a significant increase in military expenditure in response to geopolitical tensions [1] Group 1 - The call for a 5% GDP defense spending target reflects growing concerns over security in the region, particularly in light of Russia's actions [1] - The mention of a low-level Russian delegation sent to Istanbul is perceived as a provocative move, likened to a slap in the face to NATO allies [1]