Tacos tried to take over Tuesdays, but there’s a new sheriff in town. L & K, Needham Center’s neighborhood spot for casual & chic New American cooking, is upping the ante with their newest deal. Get their house burger (with double smash patties, smoked gouda, spicy pickles, bacon and onion jam and dijonaise) plus a pint of draft beer (your choice) for $20. Word is