1: They say the headmaster should be guided by this (9)
2: For U2's principle music makers, I.R.A.'s tug viewed in a different light (7)
3: Liberate some tennis without charge (3,4)
4: It's big where some Ambassadors are at? (5)
5: Rebs to can fresh edible crustacean from southern states (5,4)
6: Cinema made use internally of Oscar-winning film (7)
7: The bottom of a serving of funnelcake is terrific (7)
8: Black-out unhinged LuAnn (5)
13: Frozen awkwardly, i.e. a tin man (9)
15: It isnt good for a man whos batting to get a hundred in the game (9)
17: Discompose each half of turbines (7)
18: Tragic king smuggles the bondage material (7)
20: First of all, you undercooked my meat; I enjoy roast more flavorful (7)
21: Also-ran gestates, bearing fruit? (7)
22: Rates of movement for the last politician entering it backwards (5)
23: Shiny flat-bottomed boats heading north (5)