Across:
1. Indications of lazy slacker (my son) returning (7)
5. Spiteful desire to accommodate snake (7)
9. Appearing in top right corner of periodic table around nitrogen, unrelated to 2 (9)
10. Elder fit, as regularly crosses from Southpaw? (5)
11. see 19
12. see 24 down
13. Gospel is too cool to be hot! (4)
15. Lots of words from Dutch East India company ably winning over union, and later a king (10)
18. Country boy, he's madly pursuing sex (10)
19,11. Right gene reversed by operating system, beginning to culminate in big apple he created... Lucky 13, 28 and 3! (4 8)
22. In Italy you get a kiss with these flowers (6)
23. Remarkably, bus fills with great joy (8)
26. Expensive brew! (5)
27. Works too hard (as a hack), with slip in video's editing (9)
28. Warrior in graphic account, little blossom taking on nine from Rome (7)
29. Joins up sad loners, including student (7)
Down:
1. Country girl seen playing up earlier (7)
2. Looks after half of children on dubious vacation (5)
3. Fantastically strong fighter with great prize losing head taking on nine from Rome (6)
4. Presided in court on date this material became scarce in the 18th century (9)
5. see 8
6. A lot to learn from submarine partner's reversal (8)
7. Enchant with tight turnaround in a fine arrangement (9)
8,5dn,16. As 24 13 famously said when kicking North out (roughly) "I wholly blame investors!" (7 4 7 2)
14. Kindles start of trust, taking one in and being most generous (9)
16. see 8
17. Prey flap about, but caught by this, many can no longer take to the wing (8)
18. Hit is thanks for one 24 12 opposed (7)
20. Joins up using molten tin less (7)
21. Lender more certain to pursue defaulter's very heart? (6)
24,12ac. Leader Florida sect maligned? (5 6)
25. Encourage with this type of cable (4)
Solution:
SYMBOLS=WASPISH|
E=I=B=A=I=Y=N=I|
NONMENTAL=LEFTS|
E=D=L=I=L=L=A=T|
GOSCINNY=CASTRO|
A===X=W===B=U=R|
LUKE=VOCABULARY|
==I=F=O=B=S=T==|
BANGLADESH=RENE|
A=D=Y===O=U===N|
TULIPS=BLISSFUL|
I=I=A=C=V=U=I=I|
STEEP=OVERRIDES|
T=S=E=A=M=E=E=T|
ASTERIX=ENROLLS|
Name: 915 - Blame Investors
Author: by BenDR

Annos-Across:
1. rev(SLOB MY S)
5. ASP in WISH
9. N in NONMETAL
10. alt( eLdEr FiT aS )
13. dd
15. VOC + AB(U)L(AR)Y
18. LAD + *HE'S after BANG
19,11. R + rev(GENE) + OS + C(ulminate) + IN + N.Y.
22. TU + LIPS
23. *( BUS FILLS )
26. dd
27. ERR in *VIDEOS
28. ASTER + IX
29. L in *LONERS
Annos-Down:
1. GAL after *SEEN
2. MIN(ors) + D(ubiou)S
3. (n)OBEL + IX
4. SAT IN WOO D
6. rev( SUB ALLY'S )
7. rev(TAUT) in *( A FINE )
8,5dn,16. *( I WHOLLY BLAME I(n)VESTORS )
14. KINDL(I)ES + T(rust)
17. *( PREY FLAP )
18. BAT + IS + TA
20. *( TIN LESS )
21. SURER after (defa)U(lter), ext def?
24,12ac. *( FLORIDA SECT ), ext def
25. dd
Defs-Across:
1. Indications
5. Spiteful
9. unrelated to 2
10. crosses from Southpaw
13. Gospel
13. too cool to be hot
15. Lots of words
18. Country
19,11. he created... Lucky 13, 28 and 3
22. flowers
23. with great joy
26. Expensive
26. brew
27. Works too hard (as a hack)
28. Warrior in graphic account, little
29. Joins up
Defs-Down:
1. Country
2. Looks after
3. Fantastically strong fighter
4. this material became scarce in the 18th century
6. A lot to learn
7. Enchant
8,5dn,16. As 24 13 famously said
14. most generous
17. caught by this, many can no longer take to the wing
18. one 24 12 opposed
20. Joins up
21. Lender
24,12ac. Leader
25. Encourage
25. type of cable