Critical shortages of engineering graduates are prompting those in the field to turn their efforts toward making the occupation more attractive to girls and women. To that end, the Society of Manufacturing Engineers is sponsoring free, week long summer engineering camps for girls grades 6 thorugh 12 in the Twin Cities and in Alexandria. One of the camps for sixth grade girls, started this week at the University of St. Thomas in St. Paul. Minnesota Public Radio's Helms reports.