An orphaned Bornean sun bear cub in Malaysia is getting a second chance through a slow, supervised return to life in the wild rather than a one-time release into the forest. Now approaching two years since her rescue as a baby, Tenom has entered that rehabilitation stage, according to Free Malaysia Today. What's happening? Rescuers found Tenom when she was about 3 months old, well before she could pick up the survival lessons a mother bear would…