The problem you're focusing on is the general short-sightedness that is a side effect of democracy.
Before the liberals created some problems, they solved problems artially created by conservatives. Conservatives follow suit. Each problem solved creates a new one... or in most cases problems are not really solved or created.
Name a point in American history when there were no problems. If you can, there is something wrong with your thinking.
Despite that, the short-sightedness associated with democracy is justified by the freedom it allows.

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