White Horse Tavern American  style restaurant, Located at: 26 Marlborough Street Newport, RHODE ISLAND   Phone Number 401-849-3600           Hours of Business: 12-3 pm, 6-10 pm. Closed Jan 1, Dec 25.           Average Price: $20                   Located in a building that dates from 1687, this cozy restaurant has exposed, hand-hewn beams, open fireplaces, and a romantic atmosphere. The menu is a blend of regional New England dishes. Specialties are rack of lamb, beef Wellington. Own baking.