1: Di returned to me in France: back for the turn of phrase. (5)
2: Squash cat; poor furry creature (9)
3: Hide the real solution (7)
4: Prohibit an attorney's organization (3)
5: Looking at a little monkey in glee (5)
6: Arsenals periodicals (9)
8: Exchange concealed proprietary knowledge (5,6)
9: Person with fixed notions is pretty sore, upset about the introduction of Ebonics (11)
11: One politician's a brat (3)
12: Article entered in it that is a point for silly remarks (9)
14: Nolte, in movie 'Emergency Room,' is one eating on the grass (9)
16: Greek characters suggest dawn (3)
18: Rear oat variety as a way to break up the soil (7)
19: 500 = 100 + 0 - that's entertainment! (5)
20: Senator (IN) flip-flops on this clue and others? (5)
22: Age of neo-catastrophe? (3)