Fairly gentle and quick for this sort of thing.
I rarely try jumbos, but as American it's fun to see if I can solve the long quote. This year's quote was amusing and not too challenging to deduce.
Last one, now getting annoying:
29a: Working Scot’s terrible overheads.
O_C_S_S. Pretty sure the crossers are correct, and guess it involves an anagram of Scot/s.