(WXIA) -- Few foods say "summer" like baby back ribs, and Shane's Rib Shack wants to celebrate the change in seasons with free summertime food.On Saturday, May 17, participating Shane's Rib Shack locations will give away a free half-rack of baby back ribs and a 20-ounce drink to the first 100 customers. The lucky diners will also receive rib giveaway T-shirts."Our fifth annual rib giveaway...