washington republican-controlled oversight committee u.s. house representatives announce monday consider measure censure head internal revenue service allegations relate scrutiny conservative group irs commissioner john koskinen already face republican-led impeachment effort would condemn conduct inconsistent trust confidence measure due come house oversight government reform committee wednesday republicans include committee chairman jason chaffetz utah allege koskinen fail comply house subpoena lawmakers seek evidence agency target tea party group extra scrutiny irs action come light early 2013 months koskinen arrive agency irs officials immediate comment koskinen deny wrongdoing representative elijah cummings maryland oversight committee top democrat accuse republicans leap-frogging house judiciary committee hold hear determine whether koskinen commit wrongdoing cummings say government investigators find evidence irs target conservative group koskinen obstruct house investigation propose censure legislation urge koskinen removal office would require forfeit pension federal benefit committee approval would send floor vote full house legal experts say congressional censure would pass constitutional muster impose penalty house panel consider measure censure irs chief