Solution to 2D has been deliberately left unsolved and is to be answered only by a non-regular / novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance.
Open for anyone to answer, if not solved by 1 PM.
ACROSS
1 Rain around Eastern Colorado's top desert (6) DECAMP D{E}{Co...o}AMP} Rain/Damp?
4 One with highest technical skills developed virus too (8) VIRTUOSO*
15 Touch on cycle, it is forbidden (4) TABU (+t)TABU(-t)
17 Trying to endure mobs in a riot (10) BURDENSOME {BURDENSOME}*
19 Spooner's rodent loathes those who share accommodation (10) HOUSEMATES (~mouse hates to housemates)
20 Brought end of page to the head for insect (4) FLEA (+f)FLEA(-f)
23 50% of seed gets fruit. Cool (6) SEDATE {SEed}{DATE}
24 Wonder drug taken after drink in a bar (8) RUMINATE {E}<=>{RUM}{IN}{A}{T}
28 Free service first with your personal credentials (4-2) USER-ID {RID}<=>{USE}
29 Performing sex daily? It impairs your intellectual competence! (8) DYSLEXIA*
DOWN
1 Sleeping gatekeeper forgot old coat at the close (7) DORMANT {DOoRMAN}{coaT}
2 Cocaine runs around in the open bar (5) C?U?T ()
3 Think over a chief hermit. He is a scholar in sacred law (6) MULLAH {MULL}{A}{He...t}
5 Primarily it describes your love for poem on pastoral subjects (4) IDYL Acrostic
6 12:50, in all probability? (3,2,3) TEN TO ONE [DD/Rebus]
7 Traditional type of class, not new to teach (3,6) OLD SCHOOL [C&DD]
8 Keep an eye on old boy with premier Scotch bottle with hidden name (7) OBSERVE {OB}{Sc...h}{nERVE}
11 Worldly cryptic clues by a setter in the finale (7) SECULAR {CLUES*}{A}{s...eR}
14 What batsman did before going to bat, dropping cap finally, made sense (5,2) ADDED UP {pADDED UP}
16 Vast group abducted old ship (9) BOUNDLESS {B{O}UNDLE}{SS}
18 Feel about water shortage desperately in oppressive weather (8) HEATWAVE {HAVE} over {WATEr}*
19 Manager spent hours regularly with orchestra (7) HUSBAND {HoUrS}{BAND}
21 Minister abruptly got upset over plans of action (7) AGENDAS {AGENt}{SAD<=}
22 One-sided? I like to be in a place to sleep (6) BIASED {B}{I}{AS}ED}
25 Old hand in an area on stage before the curtain (5) APRON {A{PRO}N}
Reference List
Eastern = E, Time = T, Drug = E, Bar = T, Old = O, Old boy = OB, Name = N, Ship = SS







