at home, rights groups say his regime has jailed thousands of dissidents, journalists and activis activists, many during the 2009 opposition uprising, sparked by two reformist candidates, who are now under house arrest. it's no wonder, analysts say, this time around, not a single bona fide reformist was allowed to run for the presidency. >> above all, he wants someone subservient to him. >> reporter: if history is any indication action what the supreme leader wants, he usually gets. and redsa, you know, it's amazing, just the focus on i'm going to do what the supreme leader wants, to some of the people on the street, and they talk about this election, but obviously he's getting older, only the second supreme leader since the revolution. how is his health? >> reporter: there's been all sorts of rumors throughout the