1: Monsieur is immersed in unspecified French river (5)
2: Feel sick from crack? (3)
3: Mid-East region is a metier confused (7)
4: Clothilda is carrying a parcel (3)
5: Horse fly's, um, retreating (7)
7: Per Rev. Spooner, instrument in Hef's bedroom for sensitive area (5,4)
9: Handle small round piece of charcoal (9)
12: Supplementing oriental ruler (5)
13: Bribes due to be discredited in AFL? (9)
14: Cabal resolved hot issue of headgear (9)
16: Idea I'm followed for days (5)
18: Ancient historian understood America (7)
19: Bush loses East -- at the end, gains Iowa (a state) (7)
21: Fold suit and undershirt (5)
23: Long for a mass of reporters (5)
25: Get into the archeology scene. (3)
27: Compete with life in France (3)