Miss Kindergarten, Lovin Lit, the Moffatt Girls and about a dozen other “teacher-entrepreneurs are spinning reading, math, science and social studies into gold by selling their lesson plans online to fellow teachers,” writes Carolyn Thompson for Associated Press. Miss Kindergarten, 32-year-old Hadar Hartstein, of Lake Forest, California, has earned more than $1 million in sales over the past six years, she says. “Her more than 300 offerings on the popular Teachers Pay Teacher