Many Americans are campaigning for a raise in the minimum wage. Even more Americans are struggling just to find jobs at any wage.Yup -- those two news items are related.While trying to present a case for the Massachusetts state legislature to approve a program that provides summer jobs to teens at non-profits and government agencies, an editorial at the Boston Globe accidentally explained why artificially imposed minimum wages kill job opportunities.I don’t think the Globe even realized it, either: The program provides money for YouthWorks, which pays the wages of 4,400 low-income teens in eligible cities who work for nonprofits...