But the gravest difficulty, and perhaps the most important, in poetry meant solely for recitation, is the difficulty of achieving verbal beauty, or rather of making verbal beauty tell.
Evolutionary biologists are not content merely to explain how variation occurs within limits, however. They aspire to answer a much broader question-which is how complex organisms like birds, and flowers, and human beings came into existence in the first place.
If you start to catalog Hillary Clinton's positions between now and 2008, we're going to have a lot of conversations because there are a lot of places for her to go.

