Is it a good-faith attempt at corporate social responsibility or it is a cynical ploy to generate good publicity in the wake of labor strife and a high-profile bribery scandal? Opinions certainly ran the gamut after Wal-Mart (NYSE:WMT) announced yesterday that it will hire more than 100 000 veterans in the next five years starting on Memorial Day.   Any veteran who applies for a job within 12 months of being honorably discharged will be hired said Wal-Mart USA CEO Bill Simon in a speech to the National Retail Federation in New York on Tuesday.   “Not every returning ...