1: Old fool is strange in New York (5)
3: Training some smart little monkeys (9)
5: Confines for periods of time after onset of chickenpox (5)
6: A state, see - one in America - one with an American capital (9)
8: Odds of niece being born (3)
10: Model of former liberal (7)
12: Reading or writhing in river (3,6)
15: Road without a pole (4)
16: On the canvas from third strike (3)
17: Creature of habit goes in to pay upon receipt of drink? It's puzzling. (9)
19: Pauses awkwardly after error but steadies nerves (5,2)
22: Except for last couple, Crosby croons passages (9)
23: Plastic shelf for meat (5)
24: Type of sketch taken from thin album (9)
25: Examine good-looking man? Yes! (5)