Iranians decry, boycott election rigged to favor hard-liner

Iranians went to the polls Friday in a presidential election tightly-managed by the Islamic Republic's clerical elite — who allowed only 4 men on the ballot. After eight years of relative moderation under Hassan Rouhani, his likely successor is expected to be sharply conservative. Many Iranians protested the lack of choices by voting with their feet and boycotting the vote. Nick Schifrin explains.