Cut each focaccia bread into 4 squares; cute each horizontally in half. Pull out ¼ inch soft bread crumbs from cut sides of tops of focaccia. Reserve bread crumbs for burgers.
Combine veal, fresh bread crumbs, eggs, salt and pepper, mixing lightly, but thoroughly. Shape into 12 patties.
Grill patty until center is no longer pink. Grill split focaccia, cut sides down, 1 to 2 minutes. Spread 1 tablespoon pesto evenly over cut sides of bottom focaccia piece. Place burgers on bottom of focaccia; top with one tomato slice and one cheese slice. Dollop with 1 tablespoon pesto sauce. Cover with focaccia top. Garnish with basil and olives.