14: Call off, at Cape Canaveral
17: Rhythmic pattern in poetry
19: Not finalized, legally
20: One who sees firsthand
23: German shepherd, for one
30: Turn cabbage into slaw
39: Get ready for a fight
41: Single-masted sailing vessel
44: Al Yankovic's adjective
47: John of 'Monday Night Football'
53: Sign that changes the pitch of a note
65: Black ball, in billiards
66: Express mail carrier?
67: Delight, as a comedy club crowd