Lemon, Tuna and White Bean Salad

Yield:	4 Servings
Categories:

2	cn	(16 oz) cannellini beans or other white beans; rinsed and drained, or 4 cups cooked cannellini beans
1	md	Red onion; chopped
2	tb	Fresh lemon juice
2	tb	Bottled clam juice
2	tb	Extra-virgin olive oil
2	ts	Chopped fresh thyme or 1/2 teaspoon dried
2	ts	Chopped fresh oregano or 1/2 teaspoon dried
1/2	ts	Grated lemon peel
1/4	ts	Black pepper
1	cn	(6 ounces) water-packed tuna
1/2	c	Chopped flat-leaf parsley
		Salt to taste
1	bn	Arugula; rinsed and dried
2		Tomatoes; cut into wedges