The meeting in Wilmington in the twilight of Biden's one-term presidency reflects the importance that the 81-year-old has placed on the so-called "Quad" group as a counterweight to a rising China.
'The whole world turned Palestinian,' says rapper, warning US presidential contender Kamala Harris that 'she ain't winning' crucial US swing state unless she changes course
Winfrey hosted the “Unite for America” event with activist group Win with Black Women, that aimed to register people to vote and bolster Harris in states such as Pennsylvania