If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by
a. the majority leader.
b. the vice president of the United States.
c. a speaker for the house.
d. a president pro tem.
If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by the "majority leader" since this position is almost always only taken by a different person when the leader is unavailable.
