Mix first 7 ingredients in blender until smooth . Season with salt and pepper. (Dressing can be prepared 1 day ahead. Cover and refrigerate. Bring to room temperature before continuing.) Cook pasta in large pot of boiling salted water until just tender but still firm to bite, stirring occasionally to prevent sticking. Drain in colander. Cool completely under running water. Drain. Mix pasta with endive and radicchio in large bowl. Add tomatoes, olives and dressing to taste; toss well. Divide salad among plates. Sprinkle with salmon and chives. *Available at specialty foods stores and some supermarkets. salad 10