Think of Steve Harmon as MacGyver with a drain-cleaning machine instead of, say, a paper clip and duct tape. Like MacGyver, the TV secret agent and troubleshooter, Harmon thrives on a challenge – jobs that stump others or that they won’t even tackle.He credits great mentors and ongoing education for giving him the skills and confidence to handle those jobs. “I don’t like the jobs that are cut-and-dried,” says Harmon, owner of Harmon Plumbing Services, which does business as a Rooter-Man (A Corp) franchise in Raleigh, N.C.“I like the ones that force me to use everything I’ve learned. You should
