tex-mex cabbage and corn salad

This is a really yummy side dish to enchiladas, burritos etc!! a nice refreshing change from just mexican rice.

For the dressing:

* 2 limes, juiced
* 1/4 cup red wine vinegar or white wine vinegar
* 1 teaspoon salt
* 20 grinds fresh black pepper
* 1/3 cup extra-virgin olive oil
* a pinch or 2 of sugar

For the salad:

* 1 small head green cabbage, trimmed, cored, and shredded
* 1/2 small head red cabbage, trimmed, cored, and shredded
* 1 (15-ounce) can corn kernels
* 1 bunch fresh cilantro, washed, dried, and finely chopped
* 1 bunch scallions, washed, dried, and thinly sliced into rounds