They do it all the time.
Professionals replaced elected officials in some positions.
democracy
Elected officials are representatives, and ultimately they work for the people who vote for them (their constituents). As members of a government, they are employees of that government, until such time as they are replaced or voted out of office.
party organizers, volunteers, voters, and elected officials
Yes. Voters elect people to office.
Yes. Voters elect people to office.
professionals replaced elected officials in some positions
Professionals replaced elected officials in some positions.
Elected officials, poor immigrants, machine bosses
public opinion
What group supported political machines
Party-in-Government