Bill Nelson: “Whenever you invite Senator McCain, it's never going to be boring.”

It will fly supersonic but its design is such a radical design, that instead of pushing the bow wave going through the atmosphere, as you go from subsonic to supersonic, which causes that audible sound that goes 'boom, boom,' it will…

this research is absolutely critical for us exploring the heavens.

In the parlance of the South, this dog doesn't hunt.

I would say that there is a significant difference of opinion about that.