He's set a September deadline after which sanctions might be toughened. But China and Russia might not join in if Tehran is showing progress.
The US is considering harsh sanctions on Iran's oil industry if negotiations to curb Tehran's nuclear program fail.
President Ahmadinejad's bellicose rhetoric has raised concerns about Iran's intentions. Whether or not he is reelected Friday, here's what Western policymakers now need to consider.
The exercise involved more than 100 jet fighters, helicopters, and air-refueling tankers, according to a new report.