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 edge of an economic cliff with 11 days until the moment the u.s. government could run out of money to pay its bills according to the treasury secretary. president biden just told reporters he cannot guarantee the u.s. will not default and the same message came from the top house republican negotiator just hours before. it is the only thing the sides seem to agree on in addition to blaming the other si
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 edge of an economic cliff with 11 days until the moment the u.s. government could run out of money to pay its bills according to the treasury secretary. president biden just told reporters he cannot guarantee the u.s. will not default and the same message came from the top house republican negotiator just hours before. it is the only thing the sides