It is merely a theory that explains how free enterprise works. Banks for example, a very important part of the economy, are left out. Some socities do not accept the circular flow model theory. These socities, therefore, choose another economic system other than capitalism. Socialists and communists see the role of the government in a different light than capitalists do.
The United States Constitution states that the Vice President of the United States is the President of the Senate, despite not being a senator, and that the Senate must choose a president pro tempore.
Secretary of the Senate, Daniel Alvarez. The Secretary of the Senate is one of the three officers of the Senate who are elected by the total Membership, the other two officers being the President pro Tempore and the Chief Sergeant-at-Arms. He or she is the chief parliamentarian and keeper of the legislative records.resident pro Tempore, Kevin de Le n (D). The President pro Tempore, who also serves as the Chair of the Rule Committee, is the actual leader of the Senate. He or she is elected by the Members at the beginning of each Session.