1: Roosevelt's undergarment? (5)
4: Spout off, immersed in Homer, to quick-tempered person (7)
9: Doctrine for some Kiwis makes sense (3)
10: Writing mate loses head and becomes confused about punishment (5)
11: Just found Carol nipping a little vodka (5)
12: Sheds last one carelessly (4-3)
14: Meeting to deploy the marines (7)
15: May start to get sick? Catch postal container (7)
16: Charged a couple of hundred, getting exploited (7)
18: Holy season has one setback in Germany; it's not strict (7)
19: Rock group, perhaps, with time to patch things up (7)
20: Mend damaged ship in foreign land (7)
23: What one does with barrels can lead to a problem in the toilet. (4, 3)
25: Troubled tenor with a transposition (2,3,5)
26: Neil Armstrong, first to return from another world? (5)
28: About....about right? Wrong! (3)
29: Genuine hesitation in church after transgression (7)
30: Rambling tales are out of date (5)