1: Go up cedar's first branch (5)

4: Walesa still embodies how Nobel Laureates soar? (3)

6: Suppressed and overturned, it's taken flight (7)

7: Gray's line about young animals (9)

10: Several variety shows (7)

12: Beauty stripping top and bottom is an additional feature (3)

13: Flirted terribly, and on your example dated start-ups (5)

1: PAL: part of acronym (5)

2: Taverns quoted cool clique (3)

3: Very clever fish ain't at sea (9)

4: Boy scurries around Alabama parlor (5)

5: Begins seeing another divorcee? Deplorable. (3)

8: Smithys workplace agreement not originally despicable, not totally! (5)

9: Reliable noise (5)

10: Fish spawn upstream in little orifices (3)

11: Find out scout (3)