The President pro tempore, who presides over the Senate when the Majority Leader is absent. The phrase pro tempore literally means for the time being in Latin.
Zionism can be used in a number of ways: 1. Zionism as ideology-Zionist ideology holds that the Jews are a people or nation like any other, and should gather together in a single homeland. Zionism was self-consciously the Jewish analogue of Italian and German national liberation movements of the nineteenth century.
1 Zionism refers to the movement to create a Jewish state in the Middle East corresponding to the historic land of Israel.  It emerged as a political movement which emerged in 19th century Europe aimed at establishing a Jewish homeland and combating anti-Semitism.