1: Clearances for the first couple of characters to find answers. (11)
2: Rocks lure a breeding fish (4,9)
3: Coaches of 'Cryptic' curst nits (9)
4: Hold onto string and file (5)
5: Decision tree's unusual goal: mirth? (9)
6: Free trade: highest bird for lowest bill(5)
7: Root for mounting might (3)
9: To initiate into communist units, they carry the vital gas. (3, 5, 5)
12: A Hollywood star upset about paparazzi hub in crude social event (6,5)
14: Knowing everything, signal Lee frantically (3-6)
15: Sent off info to npr.org? (9)
19: She literally describes high society (5)
20: Padre's sensibly covering attire (5)
22: Mink, for one, may fly when theres trouble (3)