Mixed green salad with oranges

Dressing 2 T finely chopped shallot 2 T white wine vinegar 2 T orange juice 1 t Dijon mustard 1/2 t sugar 1/2 c extra virgin olive oil salt and pepper Salad 1 head romaine lettuce, torn into small pieces 1 head red leaf lettuce torn into small pieces 1 head boston lettuce, torn into small pieces 3 oranges, peeled, white pith removed, fruit segmented 4 oz soft goat cheese, crumbled 1) Make dressing in a bowl, combine shallot, vinegar, juice, mustard and sugar. slowly drizzle in oil, whisking constantly. Season with slat and pepper. 2) Make a salad. Mix lettuces in a large bowl. Add orange segments. Toss with dressing, crumble goat cheese on top and serve.