"I mean, his circle is pretty small."
"He needs to consolidate the base if he has a chance."
"I think, as I said earlier, one of the missions for Donald Trump is to try and unify the Republican base and these speeches are helpful in that regard."
"Donald Trump is getting 14 percent in the 'Wall Street Journal' poll this morning, 14 percent Hispanic vote. That's half of what Mitt Romney got."
"I think it is important in his case. I generally agree that vice presidential candidates rarely win elections for you. They can sometimes help you lose elections."
"I think it gives a lot of people who aren't on the list pause the people who took themselves out of the hunt earlier."
"I think first of all, ascertaining what the source of this was. It appears to be ISIS."
"This is an ongoing struggle and sadly, I think it's going to continue."
"President Obama has himself talked about how he sometimes doesn't recognize the optics of these situations."
"That is a big test. And, you know, we have yet to see whether he can meet it."
"I think she used Donald Trump's own quotations to hang him on the issue of temperament and lack of experience."