From Third to Second  Singer’s yeshiva boy
Singer’s yeshiva boy   YENTL [the writer, not vocalist]
Court team: Abbr.   ATTS [not basketball or tennis players] 
Life time   STAGE [note two words]
Words spoken before the Senate   ETTU [but it was awhile ago] 
Green span   LEA [not him]
Theme: B replacing C in the last word of a phrase
Adelaide altercation?   
AUSTRALIANBRAWLCan’t color the sky, say?   
DOESNTHAVEABLUEBeginning poet?   
GREENBARD [Friday morning quarterbacking: “Jealous poet”]
Fight of the last quart of milk?   
DAIRYBATTLE    [more Friday morning quarterbacking: “Farmers’ price war”]
Handle user {and theme}   
CBERWho knew?EMIRATES Ajman & Fujairah
Samoa’s capital is APIA
YGOR was shot by Wolf Frankenstein, or that there was a Wolf Frankenstein [
Son of…?] 
 Alias user
 Alias user   SPY [shouldn't there be a "perhaps"?]
Overall, I liked this puzzle best so far in 2012.RATING:   
 
  
 
 Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun