1. Slice the celery into ¼ - ½-inch slices on the diagonal. Place into a bowl and toss with the salt; let sit while you make the dressing.

2. Combine the mayonnaise, sour cream, blue cheese, and vinegar in a medium bowl, stirring well. Mash some of the blue cheese chunks against the side of the bowl. Season to taste with salt and pepper.

3. Drain any water that has accumulated in the bowl of celery and toss the celery and sliced radishes with the dressing. Season with black pepper, to taste. Garnish with chopped celery leaves and blue cheese crumbles.