Crossword No 22 (fifth series)

Clues across
11	An abstraction left Ken confused, getting just croissants and coffee (11,9)
12	Man, perhaps, making Elsie almost turn around (4)
13	Prize for a child placed in care (5)
14	Musical group to be formed by alien after tenth month (5)
15	Kind to use a keyboard? (4)
16	A know-all in this field of sagacity (8)
17	Changing near a place of combat (5)
18	Steering device and French headgear (6)
19	Two leading characters from Africa wearing Indian dress seen in expedition (6)
21	Nervous twitch after work? You need this to limit the size of your drinks! (5)
22	Failing to start turning, but turning gradually into something else (8)
24	In error, CIA disturbed grave outside manse (8)
26	Preserve oil-carrier taking nothing to America? Difficult to deal with! (12)
27	Lamp to slip away � it�s an old aid for a presentation (7,5)
29	Perhaps driven, as Vikings were (8)
31	Two fools in Brutus�s role (8)
32	Decimal system is based on these powers, frequently (5)
34	Sprightly four yell out (6)
36	Mistake by leader of Tories causes panic (6)
38	Romeo with two ducks appearing before queen (5)
39	Forceful persuasion confusing reps? Certainly! (8)
41	Evidence of old wound from cars involved in accident (4)
42	Plants held by leading character in Coriolanus, Act 1 (5)
43&44	Ash-can I�ve converted to flower-holder (5,4)
45	Fanciful? Lisa lectured fanciful branch of mathematics (12,8)

Clues down
1	Snob returns first-class tree . . . (6)
2	. . . and French create wildly, and so on (2,6)
3	Turbulent cataract in deep south (10)
4	New pupils at school confusing ink with tea (6)
5	Vehicle in which to take the road to hell? (8)
6	Old boy, alone taking science (I opted out), in state of becoming out of date . . . (12)
7	. . . guarantees pain, suffering � he�s has had his three score years and ten (14)
8	Short humorous play to reserve in advance � it contains artist�s first impressions (10)
9	Erected anvil, mistakenly supported like a diving-board (12)
10	Crumpled pleats could be fixed with this? (6)
20	Alas, mine almost exploded these beasts (7)
21	Exposes to view, and witches lose leader of tribe providing snacks (short of bread?) (4,10)
23	Troubled, run late, not supporting any side (7)
25	First-class train breaks down � with skill, it becomes the sort of weapon to prevent an enemy attack (4-8)
26	Doctor�s hip is remodelled � by these practitioners? (12)
28	Confined after secret dirt is broadcast (10)
30	Urban level becomes open to attack (10)
33	Renegade provides job for make-do-and-mend tailor (8)
35	Sport utility vehicle with another that is erupting � and has done in the past (8)
37	Old coin found in ewe�s cud on Portuguese hillside (6)
39	One in line for the throne makes pincer movement (6)
40	Save and secure after mix-up (6)