I'd ban all automobiles from the central part of the city. You see, the automobile was just a passing fad. It's got to go. It's got to go a long way from here.
Adult stem cells are also problematic, as they are difficult to identify, purify and grow, and simply may not exist for certain diseased tissues that need to be replaced.
But I say these things in an objective dispassionate manner because, you know, and I can't explain why, but being one of the greatest guitarists in the world simply is not very important to me.