The parents of a Grade 6 student have pulled their daughter out of a "Substance Use and Abuse" class at a Hamilton school after a teacher gave a step-by-step lesson on how to snort cocaine. Linda Harley, mother of Caitlin, an 11-year-old girl who attended Chedoke Middle School, said the teacher used white chalk to first draw a circle on the blackboard to represent a mirror or piece of glass, a surface from which cocaine is often inhaled. The teacher then drew dots on the circle to represent the white powder and students were shown how the dots are pushed...