There's a whole company called Palantir that does nothing but derive and create algorithms riches to search through big data. We're not using their capabilities. For heaven's sake, some of this is just ineptitude.

I have met Vladimir Putin, and I know his ambition will not be detoured by a gimmicky red, reset button.

What I think we need to do to engage the American people in a conversation about entitlement reform is to have a bipartisan group of people who come together and put every solution on the table, every alternative on the table. And then we ought to engage in a long conversation with the American people so they understand the choices.

When we miss with all the metadata collection we've had, the San Bernardino couple and the Tsarnaev brothers, what that suggests to me is that we are using the wrong algorithms to search through all this data.

One of the things I would immediately do [as Commander in Chief ], in addition to defeating them here at home, is bring back the warrior class - Petraeus, McChrystal, Mattis, Keane, Flynn. Every single one of these generals I know. Every one was retired early because they told President [Barack] Obama things that he didn't want to hear.

Distilling truth from overwhelming amounts of information is the essence of leadership.

Hillary Clinton and Barack Obama are responsible for the growth of ISIS because they precipitously withdrew from Iraq in 2011 against the advice of every single general and for political expediency.