1: Diet I'm crazy about will eventually set boundaries (7)
5: About doctor Cliff difficult to leave fine white linen fabric (7)
8: Giant fish, note, approaches Italian city (not capital) (9)
10: D*** petrol pump sample? (7)
12: The French Mr Menzies is a rodent (7)
14: Singers in a special Tosca production (5)
15: Our neighbour recorded singles in the sub-continent (9)
17: Attacked with words to violate one's hearing (9)
19: So sad coming back, Pops (5)
21: Caretakers for a number of little orphans (7)
23: Hot, current--'Gent' by Coco? Refreshing! (7)
24: Speaks about actor Alan, a youth (5,4)
26: Call girl sting nabs head of Moral Majority (5)
27: Old hippie to attend reunion of kin (7)
28: French scientist tears up plays (7)