The United States and Britain announce a new strategic pact "for a new age" to counter Russia, China and economic instability. "Through the strength of our relationship, we can shape the world once again," In his first White House summit, British Prime Minister Rishi Sunak tells a news conference alongside his US counterpart. As the two leaders address the lightning-fast evolution of artificial intelligence, Joe Biden tells Sunak he backs his plan to convene countries later this year in Britain for the world's first summit on the subject and calls British Defense Secretary Ben Wallace "very qualified" as a candidate to lead NATO. [COMPLETES VIDI33HP8UG_EN, VIDI33HJ8ZA_EN AND VIDI33HM6DJ_EN] IMAGES AND SOUNDBITES