I agree that our voting system is very imperfect, but you can't argue with the results: The most prosperous, safest, healthiest, most free society in the history of humanity.

> the odds are against any form of profound change

Yet profound change happens over and over again. Segregation is now gone (and the black middle class has exploded in size) and women are now educated and work in greater numbers than men. Recently extreme conservative policies have been imposed on the nation. Or just look closely at a photo of the current President of the United States and see if you notice something surprising.

I agree there are many serious problems, but it's hardly hopeless.

EDIT: I realize my post said that the U.S. is the best at all those things. I didn't meant to be taken that literally; my fault. To be more precise, relative to most of humanity through most of history (i.e., not relative to goals and principles of freedom, prosperity, justice, etc.), the U.S. does exceptionally well. Regardless, the argument I was making doesn't rely on the U.S. being at the very top in everything.