Mallory Poushay, 13, left, and Alyciana Rivas, 13, hand out lemonade during Alex’s Lemonade Stand Foundation fundraiser for children’s research at Sunset Park in Las Vegas, Sunday, June 4, 2017. …

Mallory Poushay, 13, left, and Alyciana Rivas, 13, hand out lemonade during Alex’s Lemonade Stand Foundation fundraiser for children’s research at Sunset Park in Las Vegas, Sunday, June 4, 2017. Elizabeth Brumley/Las Vegas Review-Journal