IMHO....
Good and Evil co-exist, you cannot rid one without the other. Therefore I do not think it is possible to get rid of evils in society, but then that depends on what sort of evils you want to rid of. On a whole? Then no. Smaller scales, perhaps. I'm sure one day technology may rid of one kind of evil or another.
As for being a little good in everyone? No I do not believe there is good in everyone. If you think that there is, I guess that you also think that there is a little evil in everyone too?
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