Raspberry Vinaigrette Salad

Salad:
1 pound mixed field greens
1 cup dried cranberries
1 cup walnut pieces
One 22-oz can mandarin oranges, drained and chilled
1 1/2 cups grape tomatoes, halved
1 1/2 cups crumbled feta cheese

Vinaigrette:
(I just bought Kraft raspberry vinaigrette at the store!)  :)