On Friday, Iran’s 46 million voters go to the polls to choose their next president. Will the incumbent, Mahmoud Ahmadinejad, remain in office or be pushed out by one of three other contenders? Former Prime Minister Mirhossein Mousavi is running a close race and has surged in popularity during the two-week official campaign period – but will it be enough for him to win?

What are the issues facing the country? And what is at stake for the rest of the world?

On Thursday 11 June 2009, Riz discusses the potential scenarios with Hooman Majd, President Ahmadinejad’s former translator and author of the book, “The Ayatollah Begs To Differ.”

You can join the conversation on Livestation. Watch the show live at 2030gmt, with repeats the next day at 0030gmt, 0530gmt and 1130gmt.