<Li> President Pro Tempore (list) </Li> <Ul> <Li> Party leaders </Li> <Li> Party leadership of the United States Senate </Li> <Li> Democratic Caucus </Li> <Li> Republican Conference </Li> </Ul> <Li> Party leadership of the United States Senate </Li> <Tr> <Th> Politics and procedure </Th> </Tr>

Who sits at the front of the senate