1: Loud noise covers a little line by Bette Davis (4,1,4)
2: Picks up job applicant documents (7)
3: Facing in both directions, like Janus? (7)
4: Driver who's disappeared in conflict (7)
5: Shifting financial fortunes cause industry revolution (8,5)
6: Article missing from European's sources (5)
7: Write off aggregate (5)
9: Rolling wave rolls into Rolling Stones song (3,3,4,3)
14: Something fishy: verbal Brooklyn women a hallmark of Notre Dame (9)
16: Place to grow fruit trees, or a leafy veggie (7)
17: Walking nicely as a dog's getting well vocalized (7)
18: Medicine was our connection, we hear (7)
19: Go over the highlights of a racehorse's comeback (5)
20: Grind nail head into wound (5)