CNNW State July 6, 2024
president biden gives ukraine's fighters a sky high advantage. >> we have ukraine's back. >> but after scrapping part of his world trip for debt ceiling talks, is the u.s. on shaky ground on the world stage? national security adviser jake sullivan joins me exclusively from japan. plus go time. president trump readies himself for his biggest gop challenger yet. >> it is easy to be a front-runner and harder to dig in. >> reporter: as the field expands will any crack trump's hold on the party? hello. i'm jake tapper in washington where the state of our union is kareening toward the ...