<Tr> <Td> </Td> <Td> Independent </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="2"> Total </Th> <Th> 100 </Th> </Tr> <Table> <Tr> <Th> Office </Th> <Th> Party </Th> <Th_colspan="2"> Officer </Th> <Th> State </Th> <Th> Since </Th> </Tr> <Tr> <Td> President of the Senate </Td> <Td> Republican </Td> <Td> </Td> <Td> Mike Pence </Td> <Td> Indiana </Td> <Td> January 20, 2017 </Td> </Tr> <Tr> <Td> President pro tempore </Td> <Td> Republican </Td> <Td> </Td> <Td> Orrin Hatch </Td> <Td> Utah </Td> <Td> January 3, 2015 Party Dean since January 3, 2013 </Td> </Tr> </Table> <Tr> <Th> Office </Th> <Th> Party </Th> <Th_colspan="2"> Officer </Th> <Th> State </Th> <Th> Since </Th> </Tr>

Who is the current president of the senate in 2017