1: Lion's leader publicizes dens (5)
2: Inauguration of Pennsylvania resident who occupies 1600 Pennsylvania Ave (9)
3: Actress Tori, lacking direction, is getting the characters out of order(11)
4: Get used to being in Treasury Department with a secure job (7)
5: 'Look at quickly,' I cry loudly (7)
6: Carries most of sea-bird back. (3)
7: Have misgivings (not half!) about making this gesture? (1-4)
8: Bouquets of flowers, freshly opened (5)
13: Toff aimed to do himself proud. (11)
14: Sixpence for big cheese? (1.1.1.)
16: Is it shrew cooking, or a lamb dish? (5,4)
17: It comes to a point everyone heard (3)
19: Migrate to swing and Joplin tunes (7)
20: Crime's delays? (4-3)
22: Sitting in tree, sparrow's beginning song (5)
23: Preliminary form of conscription (5)
25: South of France, an African country (5)
27: Arcking shot from Bill O'Brien (3)