Asparagus, Tomato and Feta Salad

•  This is a great little salad for spring.  Asparagus is in season and the cost is down.
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•  Dressing:
• 6 Tbsp balsamic vinegar
• 1/4 cup olive oil
• 2 tsp dijon mustard
• 2 tsp honey
• 1 clove garlic, minced
• Salt and freshly ground black pepper
Salad
• 2 lbs fresh asparagus (preferably medium thickness), tough ends trimmed, remaining diced into 2-inch pieces
• 1 (10.5 oz) pkg. grape tomatoes, halved
• 2/3 cup chopped walnuts, toasted
• 4 oz feta cheese, crumbled (scant 1 cup)