A guide to the newest places to eat and drink. Rosedale. 4465 Connecticut Ave., NW. Frank Ruta has kept the same sourdough starter alive since he was a chef in Ronald Reagan’s White House in 1988. He used it to bake loaves at his long-gone yet beloved Cleveland Park restaurant Palena and into more recent years as chef of Annabelle in Dupont Circle. He’ll continue to incorporate the sourdough starter into thin-crust pizzas and bread at Rosedale, a farmhouse-styled American restaurant near the Van Ness Metro serving seasonal small plates and rotating rotisserie specials.