Does mastery of political rhetoric require mastery of good metaphor?

In the Earth sciences, data are usually imperfect: a good metaphor for everyday life.

Kafka's story is a good metaphor for thinking about the relation between law and politics.

Very true, said the doctor; you have brought a good metaphor to illustrate the thing.

Perhaps it's a good metaphor for modern society.

An automobile's braking system provides a good metaphor.

Whether this is a good metaphor for the real issues on the table is open to question.

Bruce is emphatic that any song needs a good metaphor to start with and a memorable title.

Either way, it's a good metaphor for the quick-witted banter that makes Shakespeare's lighter writing so sparkling.

Another good metaphor is the earthquake.

This was not lost on his namesake James Joyce, a writer who knew a good metaphor when he saw one.

The pastor out to pasture, Elton Richards, gave me a good metaphor on this topic: think of negative speech as verbal pollution.

Now that CJ was older, he realized that the Franklin prisons were a good metaphor with which to describe his now-deceased grandfather.

A good metaphor is worth a thousand words, and whoever coined the phrase "ecological footprint" has done us all a favour.

Good metaphor, or bad metaphor, it depends what you are trying to achieve.

"I like that story," she said, "but it's not a good metaphor.