1 Rotten state finally getting to replace tyrannical leader, but not in public (8)
2 In amateur production, arras pulled up to reveal chaos (8)
3 Lacking time, set course for soothsayer (4)
5 Errors that might lead to 13 (12)
6 False woman led true ass to fall apart (10)
7 Jerk the crone from Yorkshire? (6)
8 Archaeological investigation on French is producing break down (6)
11 An odd reign in first century Yemen after dispatching first and last old rulers (6,6)
14 To "confused" I allude, son! (10)
16 Among footballers, tailless rodent's notorious (8)
17 Screen teachers first, before you get "Two thirds of eleven is about 2.72" (8)
19 In the middle of a fog, around the first of December (6)
20 Hired company, arranging to rescue all but the last couple (6)
23 Gradually, corruption heads southeast, reveals test (4)