Theme: "Lily Tomlin" — Theme answers are familiar phrases the first word of which is a type of lily.
- 18A: Father of Sam and Charlie (TIGER WOODS).
- 20A: South Pacific site of large stone statues (EASTER ISLAND).
- 35A: Continuously (DAY AFTER DAY).
- 54A: Asian draft animal (WATER BUFFALO).
- 57A: "All of Me" actress whose first name is a hint to this puzzle's theme (LILY TOMLIN).
Crosswordese 101: ADELA Rogers St. Johns is an author/writer/journalist. Do I know anything about her? Why no. No, I don't. I just know that's her name and so far that has served me pretty well.
Everything Else — 1A: Tsp. and tbsp. (AMTS.); 5A: Old orchard spray (ALAR); 9A: Abu __ (DHABI); 14A: Separate by color, say (SORT); 15A: Angle function (SINE); 16A: Barely flowed (OOZED); 17A: Hairy "pet" (CHIA); 22A: Casual evenings (NITES); 23A: Dull (TIRESOME); 27A: One might be snappy (DRESSER); 30A: Anti vote (NAY); 31A: __ Kan: Alpo rival (KAL); 32A: Some game enders (MATES); 34A: They come and go (FADS); 39A: Enter (GO IN); 41A: Search stealthily (PROWL); 42A: Abate (EBB); 43A: Rosemary's portrayer (MIA); 46A: Hides (STASHES); 50A: Mind (LISTEN TO); 53A: Clinton Labor secretary Robert (REICH); 60A: __ on the shoulder (A TAP); 61A: Author __ Rogers St. Johns (ADELA); 62A: __ sci (POLI); 63A: Pointed end (CUSP); 65A: Singles (ONES); 66A: Latin I word (ESSE); 1D: Go up (ASCEND); 2D: Angora fabric (MOHAIR); 3D: Sad, to Sarkozy (TRISTE); 4D: Churchill or Roosevelt, e.g. (STATESMAN); 5D: Star sci. (ASTR.); 6D: 10% of DXXX (LIII); 7D: Apprehension (ANGST); 8D: Catch from a pier (REEL IN); 10D: Robbery accessories (HOODS); 11D: Nitrogen-based dye (AZO); 12D: Something that goes with breakfast? (BED); 13D: Psyche parts (IDS); 19D: Avis lead-in (RARA); 21D: Samuel Johnson work (ESSAY); 24D: "You bet" ("OKAY"); 25D: Alfred E. Neuman is its mascot (MAD); 26D: Overhead transports (ELS); 28D: LAX posting (ETA); 29D: Court decision maker (REF); 33D: Indy 500 advertiser (STP); 34D: Mask (FALSE FACE); 35D: Ownership call (DIBS); 36D: Speech hesitations (ERS); 37D: Malarkey (ROT); 38D: Happy, for one (DWARF); 39D: Hair stiffener (GEL); 40D: Geisha's sash (OBI); 44D: Keen on (INTO); 45D: Musical direction after ritardando, perhaps (A TEMPO); 47D: Gap (HIATUS); 48D: Mercedes sedan category (E CLASS); 49D: Quaint retail word (SHOPPE); 51D: Tony winner Tharp (TWYLA); 52D: Sweater synthetic (ORLON); 55D: Peevishness (BILE); 56D: Les États-__ (UNIS); 57D: Data-sharing syst. (LAN); 58D: Chapel vow (I DO); 59D: Ease, with "up" (LET).