Answer: libs

AnswerCrossword Clue
LIBS

They're hardly GOPers

LIBS

Some Dems

LIBS

Ad-... (improvises)

LIBS
Bk. lenders
LIBS
Mad ... (fill-in-the-blanks game)
LIBSAd-.. (wings it)
LIBSAd-.. (improvises)
LIBSCons' foes
LIBSAd ... (improvises on the stage).
LIBSAd ... (improvises).
LIBSAd ....
LIBSCertain political people: Abbr.
LIBSCertain party people: Abbr.
LIBSBldgs. for bibliophiles
LIBSSome Cong. members
LIBSSome pols.
LIBSAd ...
LIBSLeft-wingers
LIBSThe left, informally
LIBSMad ...
LIBSAd ... (improvises)
LIBSAd ... (makes it up)
LIBSAd ... (wings it)
LIBSMad ... (party game)
LIBSAd-.... (wings it)