Scallop Bourride (Provencal Scallop Stew With Aioli)

Scallop Bourride (Provencal Scallop Stew with Aioli 2 cups fish stockLarge pinch saffron threads12 thin slices baguette1 ½ cups extra virgin olive oil6 large cloves garlic1 large eggJuice of 1 lemonSaltCayenne or espelette pepper1 medium fennel bulb1 cup finely...