13: Former capital of Italy?
15: Sine, cosine, or tangent
25: Where to find a browser
38: Prestigious schools, informally
43: Early on-line protocol
47: One wearing the apron strings
48: Cradle locale, in a lullaby
50: Place for a rubber duckie
52: Proverbial baby deliverer
59: Uncomfortable neckwear
67: They're often preheated
71: Cutlass Supreme, e.g.