STOCKTON — Up to 6,000 ghosts, goblins and ghoul ages 3 to 11 — along with their parents — are expected to haunt the University of the Pacific between 5 and 7 p.m. Wednesday for its 21st annual Safe Trick or Treat, the college’s largest free community event of the year.The big draws are 120,000 pieces of candy — about 200 pounds — to be handed out by 100 college students, faculty and staff volunteers, along with 28 carnival [...]