翻脸如翻书，特朗普宣布重新武装乌克兰，外媒：对普京态度大转变

Group 1 - The U.S. has postponed the tariff deadline from July 9 to August 1 and has issued letters to fourteen countries regarding increased tariffs, particularly targeting Japan and South Korea [1][4] - The U.S. is applying extreme pressure on Japan and South Korea to make concessions, indicating a significant shift in policy compared to previous administrations [3][4] - The tariffs imposed on Japan and South Korea are punitive rather than basic, with a 25% tariff announced [4][6] Group 2 - The U.S. foreign policy has shifted focus from supporting Ukraine to addressing the Middle East situation, particularly after Israel's attack on Iran [9][12] - Following a call with Putin, the U.S. expressed dissatisfaction with the lack of progress in the Russia-Ukraine conflict, indicating a potential shift back to supporting Ukraine [10][12] - The U.S. has historically provided about 50% of Ukraine's weaponry during the conflict, highlighting its critical role in Ukraine's defense [19] Group 3 - The U.S. is considering further sanctions against Russia and has expressed dissatisfaction with Putin, indicating a potential increase in pressure on Russia [17][21] - The unpredictability of U.S. policy under the current administration has led to a decrease in credibility and reliability among both allies and adversaries [23][25] - The economic implications of the tariff policies may lead to a recession in the U.S., with the administration's actions contributing to economic uncertainty [29][41] Group 4 - The current administration has threatened the Federal Reserve's chairman regarding interest rate policies, indicating a push for lower rates despite economic instability [31][39] - The administration's insistence that tariffs do not impact inflation contradicts economic realities, complicating the Federal Reserve's decision-making [33][37] - The uncertainty surrounding tariffs is seen as a major obstacle to the Federal Reserve's ability to lower interest rates [39][41]