John Kelly begins tenure as WH chief of staff

ABC News' political analyst Matthew Dowd discusses what to watch for as retired Gen. Kelly takes over for Reince Priebus after the White House's recent defeats on Russia sanctions and health care.
2:01 | 07/31/17

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Transcript for John Kelly begins tenure as WH chief of staff
Let's get more from Matthew dowd. John Kelly, what a job he has coming off of last week, the collapse of the health care plan for president trump, rebuffed by his joint chiefs of staff over the transgender ban, the white house seem to fall apart towards the end of the week. The big question on the table, what difference can a new chief of staff make? You're right, George. He comes in probably after the worst week of Donald Trump's presidency in this. I actually don't think it's going to make much difference at all. It's as if you're changing lieutenant and you still have captain kweeg leading the vote on this and a new lieutenant is not going to change the direction of the vote in this and that's what he's fundamentally going to face. General Kelly still has the same person in charge of the ship and I don't think it's going to go in any different direction. Perhaps one small sign of control so far this morning, at least no tweets from president trump but he's got crises on so many fronts right now. We just saw the twin threats from Russia and China and north Korea. Right now the president also at odds with his own party not only on health care but a range of issues. George, I think we have not seen a congress assert its authority and rebuke a president like this on a foreign policy concern since 1986 when the congress overrode Reagan's veto of the anti-apartheid bill in South Africa. It's as if the congress has decided the president is a child and they're going to put the valuables on a higher shelf so he can't harm himself or the country. That's what this vote and that's what this seems like the sanctions bill that they passed is a rebuke to the president. They are also sending strong warnings to the president about taking any action against the attorney general, Jeff sessions. Exactly. I think that's a red line for this congress. That's a red line for the Republicans in this congress. We saw a few peel off in the health care bill. If he was to fire Jeff sessions,

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