13: Chemical group derived from benzene
19: Overused, as a phrase
23: Popular ABC adventure series
34: Edit videotape, in a way
38: White Stripes, for one
39: Given the ax, with off
43: Crescent-shaped mountain range
55: Dept. store shopper's privilege
58: Train for a title fight
66: Golden Rule preposition
70: Do the work of a pipefitter, maybe