Cook and drain pasta.
Lightly steam or blanche and refresh snowpeas (plunge briefly in boiling water the rinse immediately with cold water).
Cut the chicken breasts into bite sized pieces.
Make vinaigrette dressing: Measure 2 T vinegar into mixing bowl. Add optional mustard, minced garlic or ginger, salt and pepper and stir will. Add the 6 T olive oil and mix well again. (some do this in a mixing jar, make double or triple the quantity and keep the extra for other salads).
Combine the pasta and the rest of the ingredients in a large bowl and mix well. Add the vinaigrette and stir well again, taste for seasoning.