This was a very pleasant puzzle of below average complexity.
In the clues, definitions are underlined. Wordplay explanation is followed by very helpful comments.
ACROSS
2 End of speech about France is a bore (11)
PERFORATION: PER(F)ORATION; France=F;
9 Love to secure tailed antelope in India (6)
NILGAI: NIL-GAI(n); The NILGAI or blue bull is the largest Asian antelope
11 Balance of wordplay first lady’s recalled (6, two words)
EVEN,UP: PUN-EVE reversed;
13 Back trouble remains in mind (7)
TAILEND: T(AIL)END; is “remains” padding – clue works without it.
14 Leaves note showing weight in Asia (5)
KATTI: KAT-TI; leaves=KAT; obsolete form of “catty” a Chinese weight;
15 Bury guy worked as trainee (8)
INTERNED: INTER-NED; Seagoon presumably;
17 John has one dog’s lead — for this? (5)
CANID: CAN-I-D(og); John=toilet=CAN; a member of the Canis family
18 Behind or first in taxi rank (6)
ASSORT: ASS-OR-T(axi);
20 Centre’s deserted in low cloud (5)
MIDST: MI(D)ST; deserted=D (Military abbreviation I believe);
21 Penny has smooth stone in ring (5)
PHONE: P-HONE;
23 Ivy and the man had a great time (6)
HEDERA: HE’D-ERA;
25 Memorial for terrier? (5)
CAIRN: two meanings
28 At part of hospital taking drug for heart treatment (8)
ASTATINE: A(STATIN)E; an element in the halogen series, chemical symbol At; it is the rarest naturally occurring element in the Earth’s crust
29 Scrap sort of TV box losing power (5)
SET-TO: SET-TO(p); Freeview tuner is a Set Top Box;
30 Oldie wants a Tory initially to replace Independent politician (7)
SENATOR: oldie=senior then change I to A-T(ory);
31 Refurbish entire compound (6)
TRIENE: (entire)*; a hydrocarbon containing three double bonds between carbon atoms
32 Sister takes against Asian dulcimer (6)
SANTIR: S(ANTI)R; a Persian musical instrument resembling a dulcimer
33 Liberal with time takes hour to probe fellow political journalist (11)
PAMPHLETEER: P(AMP(H)LE-T)EER; old means of influencing public opinion much in evidence during for example the French Revolution
DOWN
1 Fanatic sits uneasily with political activist (11)
ANTI-FASCIST: (fanatic sits)*; political movement that started in 1920s Europe;
2 Investigators ring a number — they’ve traditionally relied on wires (6)
PIANOS: PI(A-NO)S;
3 Pick needed for some concrete tiles from the south (5)
ELITE: hidden reversed (s)ELIT-E(tercnoc);
4 Working hard, avoiding golf repeatedly shows age-old spirit (5)
FAERY: FA(gg)ERY; abhorrent public school practice of junior boys doing menial tasks for senior boys
5 Free room found around English river (6)
REDEEM: R(E-DEE)M;
6 Bear to keep a credit account? Its contents go to pot (8, two words)
TEA,CADDY: TE(A-CA)DDY;
7 Concentrated where refugees may be housed, they say (7)
INTENSE: supposedly sounds like “in tents”;
8 Not in appropriate business house (6)
OUTFIT: OUT-FIT;
10 Small hotel’s appeal isn’t it for some (5)
INNIT: INN-IT;
12 Fancy dates embraced by a Frenchman herein? (11)
PIEDS-A-TERRE: PI(dates)*ERRE; small living units usually located in a large city to remove the need for a daily commute and empty at weekends – they are admirable for office romances
16 Could be a Frenchman’s pain / threshold (8)
DOORSTEP: two meanings, the first whimsical; “pain” is French for “bread” and a DOORSTEP is slang for a very thick slice of bread;
19 This surprised me in wood (7)
SHITTIM: (this)*-TIM; reference setter Tim Moorey; wood from the acacia tree
21 Dad overlooking a round flat ornament (6)
PATERA: PATER-A;
22 Fewer are disheartened, turning up from a certain direction in Scotland (6)
EASSEL: LESS-A(r)E reversed; inland from Oban. It appeared as recently as two weeks ago. The definition used here is rather better;
23 These broken promises of yesteryear (5)
HETES: (these); old word for promises in Perth
24 Film director’s take ending in the colour associated with bleak movies (6)
RENOIR: R-(th)E-NOIR; take=R; reference Jean RENOIR 1894-1979
26 Shrew on cue showing up in underground tunnel (5)
QANAT: TANA-Q reversed; shrew=TANA; cue=Q; an irrigation tunnel;
27 Old-fashioned song was more convenient mostly (5)
FITTE: FITTE(d);
I pronounce “intense” as one word with only a single “t”
The clue gave me no problems – just made me wince a little
Edited at 2018-11-25 01:32 pm (UTC)
Are you trying to tell me something?
I must’ve been more awake than usual this week. From the comments, it’s also lucky I’d heard of “kat”: I seem to remember there being something of a scare about it in London back when it started becoming a thing in the UK, though back then they spelled it “khat” in the headlines.