Sentence:  Lacking the respected and effective institutions that consensus helps provide , minority parties , such as the P.D.I. in 1957 and the progressive Istiqlal faction in 1958 , clamor for elections when out of power , but are not at all certain they wish to be controlled by popular choice when in <WSD>power</WSD> . 
Meaning of the word marked with <WSD> tags:  (of a government or government official) holding an office means being in power