dubai iranian president hassan rouhani say sunday choice offer voters u.s. presidential election bad bad harsh exchange debate point lack morality america tehran arch adversary america claim 200 years democracy 50 presidential elections morality country rouhani say speech carry live state television saw presidential debate talk ... accuse mock rouhani tell crowd gather stadium visit central city arak rouhani say head state ask visit unite nations september prefer republican candidate donald trump democratic rival hillary clinton say prefer bad bad bad bad say rouhani pragmatist politician cleric may run reelection iran presidential poll may 2017. say candidate descriptions refer iran 's president say u.s. election offer bad bad choice