It was very clear, even from long before Donald Trump got in this race, when he would talk to Republicans, the number-one concern they had about Jeb Bush was whether he was too rusty for this, and whether he was going to be strong enough to stand up to Hillary Clinton.

Usually, you do a shakeup because you know that you have a problem or you gaps and you're going to fill those gaps.

Hillary Clinton is got to make the case for herself that nobody else can make, and for voters to see somebody who looks more three-dimensional, that's not simply a caricature that had been sort of a part of the American dialogue for the last 25 years.

Most important, you can have a war room, you can have a war plan, but if your general - in this case, it's Donald Trump - isn't following the plan and is tweeting or is going and giving interviews that contradict the plan, then none of this really matters.

Even on Ben Carson, he's not exactly steeped in housing policy, but his statements on the issue have also been very conservative.

It was very clear, even from long before Donald Trump got in this race, when he would talk to Republicans, the number-one concern they had about Jeb Bush was whether he was too rusty for this, and whether he was going to be strong enough to stand up to Hillary Clinton.

When you look at the people that Donald Trump is actually put around him on his Cabinet, this is a pretty - I would argue a very conservative Cabinet. And whether it's on issues of immigration, his pick for the attorney general, very conservative on that issue.