Spring Lake, N.C. — A former Harnett County teacher said Monday that she just wanted her students to get a good, hands-on lesson. School district officials said the activity was a little too hands-on, resulting in the teacher's firing. Miyoshi McMillan wanted her Overhills High School honors biology students to conduct an experiment on blood typing last Thursday, and she used a lab kit that included synthetic blood and seven lancets. "Some students were, like, 'Oh, this is cool. I want to know my blood type.'" McMillan said. She allowed students to use the lancing needles to prick their own...