For vinaigrette, whisk together the first 8 ingredients. In another bowl, toss kidney beans and onion with 1 tablespoon vinaigrette. Set aside bean mixture and remaining vinaigrette., Place potatoes in a saucepan and cover with water. Bring to a boil. Reduce heat; simmer, covered, until tender, 10-15 minutes. Drain. While potatoes are warm, toss with 1 tablespoon vinaigrette; set aside., In a pot of boiling water, cook asparagus just until crisp-tender, 2-4 minutes. Remove with tongs and immediately drop into ice water. Drain and pat dry. In same pot of boiling water, cook green beans until crisp-tender, 3-4 minutes. Remove beans; place in ice water. Drain and pat dry., To serve, toss asparagus with 1 tablespoon vinaigrette; toss green beans with 2 teaspoons vinaigrette. Toss romaine with remaining vinaigrette; place on a platter. Arrange vegetables, kidney bean mixture, eggs, artichoke hearts and olives over top.