Jake Sullivan, formerly deputy assistant to the president under the Barack Obama administration, has received appointment as national security adviser to President-elect Joe Biden. Sullivan is among ...

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, ...

FOX News correspondent Aishah Hasnie reports on former Biden chief of staff Ron Klain's testimony in a closed-door House subcommittee hearing on President Joe Biden's cognitive decline. BRET BAIER, ...

(CNN) — Former President Joe Biden’s chief of staff, Ron Klain, told staffers on the House Oversight Committee that former National Security Adviser Jake Sullivan and former Secretary of State Hillary ...

This is a rush transcript of "This Week" airing Sunday, November 26. A rush transcript of "This Week with George Stephanopoulos" airing on Sunday, November 26, 2023 on ABC News is below. This copy may ...

A ceasefire is now in effect between Israel and Hamas, and the Israeli military has pulled back from certain positions in the Gaza Strip. In the... Jake Sullivan tried to get a Gaza peace deal. Here's ...