Only a couple to get, but they're driving me mad. Staring at the clues is counter-productive.
If you could include the reasoning behind the answers that would be great. I often find Cyclops to be a little opaque.
17d) So, not at a loss as to where to put your balls when at table? (2,6)
29a) Government enterprise stifles political understanding. (7) _N_E___