The New York Times crossword puzzle

Across

1 Principal 6 High note? 11 Balkan land, on Olympic scoreboards 14 Island that’s the first word of the Beach Boys’ “Kokomo” 15 Central principle of the Baha’i faith 16 Work containing more than 3.5 million citations, for short 17 Balm of Gilead, e.g. 18 Practice roster for an N.F.L. team 20 Half of a 1980s sitcom duo 21 Scratch on the table? 22 Horse’s mouth, so to speak 23 Follower of Kennedy or Clinton 24 Baker’s unit 26 Fits snugly 27 Florentine, for example 29 Cons 31 One-up 32 Only facility in the world to have hosted the Olympics, Super Bowl and Final Four 35 V8 ingredient 37 People at a theater who didn’t pay for their tickets 39 Bananas 42 Crack, say 43 Name for a big wheel 45 Dark 47 Kind of pressure 49 Small square 50 Superhuman, in a way 52 Smoked delicacy 53 Whole grain component 54 Periodical whose founder has appeared on every cover since its 2000 launch 56 Speaks with a pleasing rhythm 57 ___ score 58 Lab dept. 59 Esteem highly 60 1994 U.S. Open champ 61 Like many student films 62 Excalibur’s place

Down

1 Sell 2 It provides only partial coverage 3 “Hold your horses!” 4 Stage award 5 Went quickly 6 Do the job 7 Ones sharing some shots 8 Movies, informally 9 Moving walkway maker 10 Boxer with a cameo in “The Hangover” 11 Links 12 Changes color, say 13 Farthest out there 19 Celine Dion, by birth 21 Seven-piece puzzle 24 Dancer’s support 25 Certain pilgrim 28 Resting on one’s laurels 30 Deeply felt 33 III, in Ithaca 34 Quite a ways 36 Useful list when troubleshooting a computer 38 Member of the Hoboken Four 39 “Porgy” novelist ___ Heyward 40 Many an Aesop character 41 Jerks’ creations 44 Wits 46 Accessory for a bride, maybe 48 Indigent 51 Industry authority 53 Remain 55 1099-___ (bank-issued tax form) 56 Head, for short