True entrepreneurs are great at finding opportunity. So Amanda Caldera and Rio Gagnon decided that Wednesday’s 92-degree heat was the perfect opportunity for a lemonade stand. And not just any lemonade stand: The girls created “detoxing” mixes of strawberry lemonade and cucumber lemonade, and promoted them with signage that showed they had clearly learned their lessons in persuasive essay writing. Combined with their high-traffic location (the corner of Grove and Hemlock), they were on their way to a business that could succeed the bracelet business they ran last summer.