WASHINGTON -- US national security adviser Jake Sullivan on Sunday vowed there would be "real costs" for China if the country went forward with providing lethal aid to Russia in its war on Ukraine, ...

Jake Sullivan has been working to shape policy for the United States for much of the 21st century. He led major foreign policy initiatives for President Barack Obama, Secretary of State Hillary ...

US president-elect Donald Trump's reported choice of a China hawk as his new national security adviser hints at a tougher ...

Two of the top national security officials President-elect Joe Biden named on Monday, Antony Blinken as secretary of state and Jake Sullivan as national security adviser, are known for collegiality, ...

President Trump is meeting with Ukrainian President Volodymyr Zelenskyy at the White House today to discuss ending Russia's war in Ukraine. But former national security adviser Jake Sullivan says ...

President-elect Joe Biden's incoming national security adviser Jake Sullivan said on Tuesday he was "deeply concerned" about the continuing arrests and the imprisonment of pro-democracy activists in ...