LA. TIMES CROSSWORD

ACROSS 1 Tipping point

10 “The Screwtape Letters” author

15 Nixon, in John Adams' “Nixon in China”

16 Public perception 17 Smoking choices 18 Confuse

19 Org. with a tepee-shaped logo

20 Cowboy handle

21 Keep things as they are 22 Seekers of a better life, perhaps

25 18th Dynasty Egyptian ruler, familiarly

26 Japanese flier that sponsors an LPGA major tournament

27 Scottish landscape feature

28 Director Wiseman 29 Colorful gem

30 They often display two years

34 “Broad City” co-star 35 Concert pieces

36 Cry for attention, maybe 37 Horsefeathers

38 Source of tweets 41 Wayfarer's rest 42 2013 Spike Jonze film 43 It often involves getting a card nowadays

46 Family tree entry

48 Kaitlin's “It's Always Sunny In Philadelphia” role

49 Chicago-to-Lansing dir. 50 Southernmost of the Inner Hebrides

51 Ringer's workplace

54 Easily crumbled

55 Leading by a lot

56 Safe places

57 “What a terrible shame”

DOWN

1 Age of Enlightenment thinker

2 Composure

3 What's inspired by the ocean?

4 Whirl

5 Drain

6 Lacking originality 7 Things to learn, with “the”

8 “A Clockwork Orange” antihero

9 Jazzman Montgomery 10 Contain

11 Release 12 Roll in a pantry

13 Lesser Antilles lizards 14 Of a dividing membrane 21 It might end at the sleeves

23 Expression suppression 24 Put on again

25 Model 3 automaker

28 For real

29 “Be right there!”

31 First name of two U.S. presidents

32 Mist

33 Pungent gas

34 Part of a golfer's skill set 35 Commencements

36 Low points

39 One that might hold tips 40 Failure to make good notes?

42 2003-'04 OutKast charttopper

43 Barred rooms

44 Adele hit that won three Grammys

45 Like oversized glasses, to some

47 Dining area

48 Think

51 Airport near D.C.

52 Grad student jobs

53 “What have we here?!”