Gardnerville officially has a Walmart to call its own. The doors are open, the shelves are stocked, and people are coming, lots of people. On Wednesday, more than 1,000 shoppers, employees and community members packed the entrance to the new 152,373-square-foot store on Grant Drive for what became an emotional grand opening ceremony, including an invocation, the national anthem, the presentation of the colors, a ribbon cutting and several check donations. Store Manager Erik Schumann, now a Gardnerville resident, fought back tears when describing his ascendancy from a shift manager to his new role:"I've spent the last six years in …