A heated showdown erupted at the White House as Ukrainian President Volodymyr Zelensky clashed with Donald Trump over the failed rare earth mineral deal. Secretary of State Marco Rubio, who had assured Trump the deal was locked in, was left stunned as Zelensky shifted the goalposts—demanding U.S. ground troops instead. Viral images of Rubio’s reaction sparked online mockery, but the real story is far more explosive. Is this the final nail in U.S.