Yes, Lioness is correct for 9a LI (ON )E SS. As regards 14a, accepting that the P and T are correct, I cannot see any other solution, though the wordplay escapes me.
Thanks, Spodocommodo for that explanation - It makes sense now.
thanks,puzzlesRus I think pot could be from pt for platinum with o which sometimes means empty in a word or anagram. nearly finished now except for 25a atlanta fits but can't see how.