Help Please: 15d Period following purchase AFTER?A?E? (10) Cryptic Clue: Butcher fears least in the period following a transaction Also please cryptic explanations of: 12a AWFUL - Legal to sack learner but terrible 23a REVEL - First lady with right and left wing party 16d LIBERIAN - Latin from Portugal maybe, and an African 18d NONSENSE - Nurses hampered by complete lack of rubbish 26d TIDE - Cut up in movement of water That is of course, if I have the answers right!! Many, many thanks