NYT > U.S. News Trump Admits Financial Penalties on Russia ‘May or May Not’ Work Par :Erica L. Green and Zolan Kanno-Youngs 29 juillet 2025 à 19:32 President Trump’s threats have raised questions about how much leverage the United States has left with Moscow. © Tierney L. Cross/The New York TimesMr. Trump appeared to accept that the personal diplomacy he has tried to wield has failed, and issued an ultimatum that if Russia did not agree to a peace deal in two weeks, the United States would impose tariffs and sanctions on the country.