The ripple effects of an explosive argument between Ukrainian President Volodymyr Zelenskyy and President Trump and Vice President JD Vance are being felt around the world. Margaret Brennan has more....

The hope of a U.S.-brokered peace deal between Russia and Ukraine has been dashed, at least temporarily....

Ukrainian President Zelenskyy said frustration with the U.S. in Ukraine began after the Trump administration began championing ties with Russia and criticism of Kyiv....