Trump's announcement about O'Brien comes a week after he ousted John Bolton from the national security adviser's post, citing policy disagreements.

Bolton was Trump's third national security adviser.

","published":"2019-09-18T14:39:23.000Z","updated":"2019-09-18T14:39:36.000Z","summary":"President Donald Trump says he plans to name hostage negotiator Robert O'Brien to be his new national security adviser.","affiliate":{"_id":"5c784a0c4961cb23ad330098","callSign":"kotv","origin":"https://www.newson6.com"},"contentClass":"news","createdAt":"2020-02-01T17:59:02.629Z","updatedAt":"2022-03-31T19:16:04.473Z","__v":2,"breakingNews":[],"entities":[{"_id":"6244b7116880e453239ed154","text":"Robert O'Brien","type":"PERSON","__v":0},{"_id":"624219e86880e45323a150c0","text":"John Bolton","type":"PERSON","__v":0}],"hasBeenCheckedForEntities":true,"openInNewWindow":false,"show":true,"link":"/story/5e35bc66fcd8ef694720d40a/trump-names-hostage-negotiator-robert-obrien-as-national-security-adviser","hasSchedule":false,"id":"5e35bc66fcd8ef694720d40a"};