Vannevar Bush was a cousin of two of the past three Presidents. He was also a gung-ho supporter of all that is establishment in America. He was also, however, a proponent of science, and he recognized that science without democracy inevitably creates a contradiction in terms. He said, when he was in the midst of chairing the first Presidential commission to examine national science policy, that everyone---rich and poor, sophisticated and simple---longs to know how the world works, what the...