To prepare dressing, combine first 8 ingredients, stirring well with a whisk.
To prepare salad, place potatoes in a saucepan, cover with water. Add 1 t salt to pan; bring to a boil. Reduce heat, and simmer 10 minutes or until almost tender. Add beans and cook an additional 4 minutes or until beans or tender crisp. Drain. Rinse with cold water; drain well.
Quarter potatoes. Place the potatoes, beans, chicken, onion and greens in a large bowl. Drizzle with dressing; toss gently to coat.
Preheat oven to 425. combine 2 T grated fresh parmesan chesse, 2 T soft butter, 1/4 t salt, 1/8 t freshly ground pepper, and 1 minced garlic clove, stiring well. Spread butter mixture evenly over 8 (1 ounce) baguette slices. Bake at 425 for 6 minutes or until golden brown.