Kevin McCarthy

We pledge to you that we will create jobs. End economic uncertainty and make America more competitive. We will cut Washington wasteful spending and reduce the size of government. And we will reform Congress and restore your trust in government.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.

The leg system of the beach animals works because of a combination of certain lengths of tubes. Because of the proportion of lengths, the animals walk smoothly. You could say that this range of numbers is their genetic code.