"In Democrats minds they've done it before. They got rid of Richard Nixon and they rendered George W. Bush irrelevant. They think they can do it. The thing that they don't understand is Donald Trump is not Nixon, and he is not George W. Bush. And he is not a traditional politician affected by these kinds of assaults the way most politicians are."

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For strictly scientific or technological purposes all this is irrelevant. On a pragmatic view, as on a religious view, theory and concepts are held in faith. On the pragmatic view the only thing that matters is that the theory is efficacious, that it 'works' and that the necessary preliminaries and side issues do not cost too much in time and effort. Beyond that, theory and concepts go to constitute a language in which the scientistic matters at issue can be formulated and discussed.

— Bertram Brockhouse