 And here's even better news. Navage is now available at your local Sam's Club in a great new value pack. It's everything you need to start breathing better immediately at Sam's guaranteed best price. Navage. N-A-V-A-G-E. Breathe easy. WTOP and Silver Diner bring you Free Lunch Friday to thank you for listening to WTOP. At home, at work, or on the go. Three winners every Friday for dine-in lunch only at 18 Silver Diner locations. Enter today at WTOP.com. Search Free Lunch Friday.