LikeFolio's Landon Swan sees his firm's consumer sentiment data pointing to a solid Darden Restaurants (DRI) earnings report. He says a 22% increase in year-over-year demand is driven by Olive Garden holding the line on pricing and Longhorn Steakhouse outperforming on strong beef and protein trends. He explains casual dining is in a sweet spot as consumers trade up from fast food like McDonald's (MCD) and trade down from fine dining.