1: Tending in Southern California to fight straw man? (9)
2: Moulded indicator of irrevocability (3-4)
3: Clean oneself, but in reverse (3)
4: Ms Starr has a gun, a mere toy (9)
5: Teen unclothes poorly dressed diners (13)
6: Running across obscene libation from the East Texas town? (7)
7: Draw a stomach uprising (3)
9: Rocks lure a breeding fish (4,9)
13: Obscure time to start work in a happy place (5,4)
14: Projects finally house guys in camps (9)
16: Place to grow fruit trees, or a leafy veggie (7)
18: Rod, in military vehicle, produces material for leather worker (7)
20: Frost to cover the cake (3)
21: Walesa still embodies how Nobel Laureates soar? (3)