ORLEANS, Mass. — A popular fried clam shack on Cape Cod is awaiting its fate after a powerful nor'easter caused extreme beach erosion and put it at risk of collapse.The Orleans Board of Selectmen is expected to vote Monday on whether to raze Liam's seafood shack on Nauset Beach. The summertime eatery has been a staple for the Cape Cod beach crowd since it opened in the 1950s.