His youth and lack of experience.
Mitt Romney is the republican running for presidency, and Barack Obama is the democrat running for re-election for presidency
Nobody
Well, the stem a means not and if your running for for the presidency then you are probably political so the answer is no.
presidency
"dark horse"
Kennedy chose Lyndon Johnson as his vice-president (running mate) in order to appeal to voters from the southern states, since Kennedy was from the northeast.
Kennedy was assassinated in California while he was running for president in 1968.
Barrack Obama and Mit Romney
Currently only Barack Obama.
running water
Mitt Romney and Barack Obama
Lyndon B. Johnson