Salads with currants

1 pound pasta, penne 1 each garlic clove quartered 1 teaspoon salt 1 cup parsley leaves packed, fresh, stemmed 1/4 cup lemon juice fresh 1/4 cup red wine[...]

2 x Idaho baking potatoes , like russets peeled, sliced     into 12 pcs about 1/2"-thk, and     punched out with round cookie cutter 3 sm purple baking[...]

7 tablespoons olive oil 3 tablespoons tarragon or 3 tablespoons balsamic vinegar 1/2-1 tablespoon fresh lemon juice 1/2 tablespoon Dijon mustard (or to taste)[...]