4: One may be a very long time (3)
6: Notice District Governor in the cyperaceous plant? (5)
9: Tending in Southern California to fight straw man? (9)
10: Great review at debut of Naughty Bird (5)
11: Excitedly rerun tape for thrill (9)
13: Faith in Osiris, lamentably (5)
15: Ever-practical, Mr. Vader keeps own little piggy (4-2-5)
16: Fathers start to applaud, in afterthought (3)
17: Bite and flip over -- one way to win a wrestling match (3)
19: To implicate is innate, swallowing a hundred backing Space Station One (11)
23: City official spread rumor, initially (5)
24: Proof of intoxication (9)
26: Consider sound possibility (5)
27: Roll dirt and clay round tip of thumb with three fingers (9)
29: Original North American time precedes 'America Latina' (5)
30: Former name for joint audition (3)
31: Boy returning the Spanish server (5)