<Table> <Tr> <Th> (show) Jeff Flake (withdrawn) </Th> </Tr> <Tr> <Td> <Dl> <Dt> U.S. Presidents </Dt> </Dl> <Ul> <Li> George W. Bush, 43rd President of the United States </Li> </Ul> <Dl> <Dt> U.S. Senators </Dt> </Dl> <Ul> <Li> Marco Rubio, U.S. Senator (R - FL) </Li> <Li> Joni Ernst, U.S. Senator (R - IA) </Li> </Ul> <Dl> <Dt> Governors </Dt> </Dl> <Ul> <Li> Mitt Romney, former Governor of Massachusetts and 2012 Republican Presidential Nominee </Li> </Ul> <Dl> <Dt> Organizations </Dt> </Dl> <Ul> <Li> National Republican Senatorial Committee </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> (show) Jeff Flake (withdrawn) </Th> </Tr> <Tr> <Td> <Dl> <Dt> U.S. Presidents </Dt> </Dl> <Ul> <Li> George W. Bush, 43rd President of the United States </Li> </Ul> <Dl> <Dt> U.S. Senators </Dt> </Dl> <Ul> <Li> Marco Rubio, U.S. Senator (R - FL) </Li> <Li> Joni Ernst, U.S. Senator (R - IA) </Li> </Ul> <Dl> <Dt> Governors </Dt> </Dl> <Ul> <Li> Mitt Romney, former Governor of Massachusetts and 2012 Republican Presidential Nominee </Li> </Ul> <Dl> <Dt> Organizations </Dt> </Dl> <Ul> <Li> National Republican Senatorial Committee </Li> </Ul> </Td> </Tr> <Dl> <Dt> U.S. Presidents </Dt> </Dl>

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