Jeff Jacoby: Minimum-wage folly - '...Artificial price floors -- mandatory minimum prices set higher than what the market will bear -- generate surpluses. Minimum-wage laws are no exception. The price floor imposed by the government on the supply of low-skilled labor results in a labor surplus, which is just another way of saying higher unemployment. How much higher? Economists Joseph Sabia of American University and Richard Burkhauser of Cornell estimate that the minimum-wage hikes of the past two years will wipe out more than 390,000 jobs. According to David Neumark of the University of California at Irvine, an expert on labor force economics, the minimum-wage jump scheduled for this month "will lead to the loss of an additional 300,000 jobs among teens and young adults."...' [How those who claim they want to help, really hurt.]