1: Several variety shows (7)
2: Criticise measures in treatment (7)
4: The stagecoach industry (9)
5: Initially, celebrated Rough Rider's pick is to fish (5)
6: Nearly nail half of veterans for childishness (7)
7: Former leader's relative with bit of tension in stomach (4, 3)
10: Throw out faulty nib (3)
14: Call for help oddly stops (3)
16: Cutthroat congressman's back in lifeless Ohio primary (9)
17: Inflexible yet adjusted (3)
18: Putting your foot in it may incite Royal intervention (7)
19: Sound measure when Bec lied badly (7)
21: B-back up string player (7)
22: A bit of the English course may cause embarrassing situations (7)
24: Note found in prison is swell (5)
25: One may be transported by this kiss, it's said (3)
26: He adopts park tree (5)