1: Tropical trees

6: PDA entry

10: Browser function

14: In progress

15: Ruing the run, perhaps

16: Marginally sufficient

17: Add 15 to this for a cup

19: Computer signpost

20: Bullriding venue

21: Abacus part

22: Monthly payment, for many

23: Multigenerational story

25: Untamed

27: Pitt of 'Ocean's Twelve'

30: Tennis shot

32: Some Consumer Reports employees

35: Many, many moons

36: Holiday nights

38: Have coming

39: Emulsifying agent

41: Transactions

43: Starch from palms

44: Put a new price on, say

46: Word on an octagon

47: Helpful hint

48: Cattle mover

50: Szechuan sauce source

51: Where oysters grow

52: Y chromosome carriers

54: Fortune

56: It has bars for tars

58: Attack word

60: Audacious

63: Speedway competition

64: Stretching

67: Nearly closed

68: Puzzle piece

69: Plumed hat

70: Women, to a buckaroo

71: Copy editor's bane

72: Compelled

1: Butter square

2: Way off

3: Gray wolf

4: Worked with clay

5: Quite high

6: Pharaohs' symbol of power

7: Like Richard and Yorick?

8: Smoking gun, so to speak

9: Caring

10: Dubai and Abu Dhabi

11: Slow down

12: Hulks pump it

13: Camp sight

18: In need of laundering

24: Small bays

26: St. Louis gridder

27: Father Time feature

28: Four-minute mile breaker Bannister

29: Involving the body

31: Finishes ahead of

33: Severe

34: Puts the kibosh on

37: Single-masted sailing vessel

40: Tornadoes or hurricanes

42: Secretly watching

45: Hairdo helper

49: Surgically remove

51: Wide lace collar

53: Nonsensical

55: Spot checker?

56: Indulge in self-praise

57: Indian king

59: Brilliant stroke

61: Medicine chest item

62: Farm team neckwear

65: Opposite of paleo-

66: Silent sayso