DAYTON — Her doctor calls her Mighty Mouse. Her husband refers to her as the Energizer Bunny. But Jennifer Bailey, battling stage 4 cancer for nearly five years, doesn't see any option except to fight.“I don't want to give up,” she said. “I don't see any point in it.”She leaves work as a librarian at Riverview Elementary School early on Thursdays to undergo chemotherapy. She has lost her hair from radiation treatments and no longer bothers with a wig. “Other children might become sick at some point. I have several who have gone bald,” Bailey said. “I want to inspire …