“最后通牒”进入倒计时 白宫会对俄罗斯动真格吗？

Core Points - The meeting between Russian President Putin and US Middle East envoy Wittekov is crucial, with a deadline for a "last ultimatum" approaching on August 8, raising questions about potential US actions against Russia [1][2] - If the talks yield no positive results, the US may consider various policy options to respond to Russia [1] Group 1: Potential US Actions - One possible action is to impose additional tariffs directly on Russia, although the impact may be limited due to the relatively small annual trade volume of over $3 billion between the US and Russia [1] - Another option could involve secondary sanctions on Russia's energy trade partners, with previous discussions indicating potential tariffs as high as 500% [1] - Targeted sanctions against specific Russian industries, such as the shipping fleet, are also being considered, with recent reports suggesting more stringent measures [1] Group 2: Comprehensive Strategy - The US may ultimately adopt a comprehensive approach depending on the outcomes of the talks, indicating a flexible response strategy [2]