Across:
1,8dn. Claim Che terribly rough, crossing major player in 13 across 21 26 (7 8)
5. Ultimately, will Che swear to you, Marx is source of novel 13 across 21 26 (6)
9. Perhaps Nellie Melba and Joan Sutherland made strangely small (5)
10. Leader of Bolshevik mob, Che embracing one King and looking less consistent (9)
11. City's name when aristocratic leader evicted, tilting briefly radical? (9)
12. Make fresh with itsy bit removed from wiener put back (5)
13,21,26. After wandering far path, E.T. to phone home in 27 5 down 20's 18 24 winner (3 7 2 3 5)
15. Sound reinforcement used in the chorus (4)
18. Tory leader only dropped line for Blair in Number 10 (4)
19. Awkwardly squeezed and oddly schooled, he and drone rebelled (10)
21. see 13 across
23. An ole curmudgeon turned Olympic host (9)
25. Hurriedly wrote small cheat sheet, then haemorrhaged (9)
26. see 13 across
27. Article depicted prince as embarrassment (6)
28. Pause dispatch while American postal head is imprisoned (7)
Down:
1. Made strangely large 24 (5)
2. Firm strike with not one to earn, which aimed to resist the power of capital (9)
3. Muscles in with the booze? (8)
4. American city by river, in the mostly tortuous home of 13 across 23 down the 26 House? (9)
5. Dolly upset George in Number 10 (5)
or   5. see 27 across
6. Log decor changed to accommodate recent leader (6)
7. Problem with foot, not head, which was responsible for strike (5)
8. see 1 across
13. Little singer's breast inspiration for artist tackling love (8)
14. Vetoes drove sire crazy (9)
16. Is it not possible for one to observe endless form of 26? (9)
17. Firm veto based on America being greedy (8)
20. We're silly to carry shotgun pellet for arachnid? Perhaps! (6)
or  20. see 27 across
22. You might be in Italy, right in this city (5)
23. Without repeating line, shout down (5)
24. Prize may be a drawback (5)
Solution:
MICHAEL=LEROUX=|
E=O=B=A=L=E=N=C|
DAMES=BLOTCHIER|
A=I=I=Y=Y=O=O=A|
LENINGRAD=RENEW|
==T=T=I===D===F|
THEPHANTOM=ECHO|
I=R=E=T=V=C=A=R|
TONY=SHOEHORNED|
M===W===R=V=T==|
OFTHE=BARCELONA|
U=U=B=E=I=T=N=W|
SCRIBBLED=OPERA|
E=I=E=O=E=U=S=R|
=ANDREW=SUSPEND|
Name: 923 - Phone Home
Author: by BenDR

Annos-Across:
1,8dn. *( CLAIM CHE ) + RAW + FORD
5. tails acrostic (wil)L ... (mar)X
9. *MADE + S
10. B(olshevik) + LOT + CH(I)E + R
11. LE(a)NING + RAD , ext def
12. r( WE(i)NER )
13,21,26. *( FAR PATH ET TO PHONE HOME )
15. tel (th)E CHO(rus)
18. T(ory) + ON(l)Y
19. alt( ScHoOlEd He ) + *DRONE
23. r( AN OLE CRAB )
25. S + CRIB + BLED
27. AN + DREW
28. ( US P(ostal) ) in SEND
Annos-Down:
1. *MADE + L
2. CO + MINT + E(a)RN
3. ABS + IN + THE
4. L.A. + BY R IN TH(e)
5. *DOLLY
6. R in *DECOR
7. (b)UNION
13. TIT + M(O)USE
14. *( DROVE SIRE )
16. CAN'T ONE SE(e)
17. CO + VETO + US
20. BB in *WERE
22. TU + R + IN
23. BEL(l)OW
24. A + rev( DRAW )
Defs-Across:
1,8dn. major player in 13 across 21 26
5. source of novel 13 across 21 26
9. Perhaps Nellie Melba and Joan Sutherland
10. looking less consistent
11. City's name
12. Make fresh
13,21,26. 27 5 down 20's 18 24 winner
15. Sound reinforcement
18. Blair in Number 10
19. Awkwardly squeezed
23. Olympic host
25. Hurriedly wrote
27. prince as embarrassment
28. Pause
Defs-Down:
1. 24
2. which aimed to resist the power of capital
3. booze
4. tortuous home of 13 across 23 down the 26 House
5. George in Number 10
6. Log
13. Little singer
14. Vetoes
16. form of 26
17. greedy
20. arachnid? Perhaps!
22. city
23. down
24. Prize