The visible light there is from the UV emitter now looks cyan, while the IR beam that normally isn't visible at all looks the way the UV emitter's visible beam does to the naked eye. This tends to happen because the RGB filter arrays used in consumer digital cameras are only designed to filter visible light.
An elected leader is chosen by a vote of the public, while an appointed leader is selected by another leader or a body of officials without the public directly participating. Both types of leaders have been important in American history, particularly in how they exercise their authority.
After the parties have held their elections, the selection is made known through the press or by announcement to the Senate. The majority and minority leaders are the elected spokesmen on the Senate floor for their respective political parties, having been elected by their fellow Senators of the same party to whom they are responsible.