June 5, 2003 -- THERE were 313,000 fewer jobs in the U.S. last year than the government originally believed. But you won't see that disastrous number in tomorrow's report on the job market for May. Missing jobs will be inconspicuously removed with an overall adjustment to the labor force - something Washington calls its annual "benchmark" revision. More likely you'll only see an official drop in the number of jobs of between 20,000 and 50,000. Bad enough, but nothing that'll send stock prices reeling. There are already over 500,000 jobs lost in just the last three months of this year....