Almost there but unsure about:
16d. What's the making of a good joke? LibDem leader, once in gaudy top (6)
I've got t?m?n?g so think it's timing (Ming Campbell) but don't get the 'in gaudy top' part.
Also: I'm stumped with...
17d. Bob, hot air hack (7)
?a???u?
NB: Ive just registered so please point out any mistakes in my post for future reference.
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