16 ounces cleaned octopus with heads removed (about 1 1/2 to 1 3/4 pounds uncleaned)
2 cups full-bodied red wine, such as Chianti or Sangiovese
1/2 cup finely chopped onion
1/4 cup finely chopped carrot
1/4 cup finely chopped celery
2 sprigs fresh thyme
1 bay leaf
4 cloves unpeeled garlic, crushed
3 tablespoons extra-virgin olive oil
1 lime, juiced
3/4 cup extra-virgin olive oil
1/2 cup red wine vinegar
2 limes, juiced
1 bunch mint, stems removed, leaves torn into pieces
1/2 cup chopped green olives, preferably Cerignola (available at specialty olive bars)
Sea salt and freshly ground black pepper
2 endives with core removed, julienned
3 cups julienned radicchio leaves
2 cups cooked chickpeas or gigante beans