<P> The largest caucuses are the party caucuses and conferences in the United States Congress, which are the partisan caucuses comprising all members of one house from one party (either the Democrats or the Republicans) in addition to any Independent members who may caucus with either party . These are the House Democratic Caucus, House Republican Conference, Senate Democratic Caucus, and Senate Republican Conference . </P> <P> The caucuses meet regularly in closed sessions to set legislative agendas, select committee members and chairs, and hold elections to choose various floor leaders . They also oversee the four Hill committees, political party committees that work to elect members of their own party to Congress . </P> <P> Some caucuses are organized political factions with a common ideological orientation: </P> <Ul> <Li> On the Democrat side: <Ul> <Li> Congressional Progressive Caucus (CPC) (liberal and progressive Democrats) </Li> <Li> New Democrat Coalition (NDC) (moderate and centrist Democrats) </Li> <Li> Blue Dog Coalition (BDC) (conservative Democrats) </Li> </Ul> </Li> <Li> On the Republican side: <Ul> <Li> Tuesday Group (TG) (moderate Republicans) </Li> <Li> Republican Main Street Partnership (MSP) (another group of moderate Republicans) </Li> <Li> Republican Study Committee (RSC) (conservative Republicans) </Li> <Li> Liberty Caucus (LC) (libertarian Republicans) </Li> <Li> House Freedom Caucus (HFC) (a conservative caucus affiliated with the Tea Party Movement). </Li> </Ul> </Li> </Ul>

Who leads the caucus in the house of representatives