Just when I thought I was getting better
20d Trace elements potentially produce a response (5) R?A?T
18d Giggle when wife comes in? Visitors at table do it (7) T?I????
24a he doesnt believe team leader`s needed in a robbery (7) A????I?
27a Arecluse entertains male, former welfare worker (7) A???N??
25d Poor actor let off top Shakespearean role (3) ???