4,5 down: C+H-AxN+C-E? (10, 4)
Here’s a fine example of why DA still remains a thrill despite how powerless he can make you feel at times. C+H-AxN+C-E = calculated risk speaks for itself.
13 down: One buffoon rewound before a Spielberg movie disrupted movie cut worth savouring (5, 6)
Intricate clue that I greatly enjoyed working out, albeit retrospectively. One = i, buffoon = nong, Spielberg movie = ET and movie = film so that one buffoon rewound before a Spielberg movie disrupted movie = filet mignon = cut worth savouring.
20 down: Wireless bra-wearer of the male persuasion? (7)
Anything prurient always makes me laugh, and this time we’ve got wireless = trannie = bra-wearer of the male persuasion.
28 across: Italian meter-man draw amps near the electric leads (5)
What’s special here is DA’s use of words within the same semantic range. Here, draw amps near the electric leads = Dante = Italian meter-man.