Lobster and Shells

Name: Lobster and Shells
Ingredients: Kosher salt; Good olive oil; 1 pound small pasta shells, such as Ronzoni; Kernels from 8 ears of corn (about 6 cups); 12 scallions, white and green parts, thinly sliced; 2 yellow or orange bell peppers, seeded and small-diced; 2 pints cherry tomatoes, halved; 2 pounds cooked fresh lobster meat, medium-diced; 1 1/2 cups good mayonnaise; 1 cup sour cream; 1/2 cup freshly squeezed lemon juice (4 lemons); Freshly ground black pepper; 1 1/2 cups minced fresh dill