Government and Monopoly

The US government is the only monopoly allowed by law. Why would somebody think that a monopoly in government would be so much more efficient than a monopoly in the private sector? if monopoly works so well, then why not establish one for every product?

Inefficiencies and abuse. That's why. But somehow we think that giving our own government more control will achieve a different result. Are we a nation of adults or of adolescent school children? You decide.