Iraq's recent elections were in large part driven by a protest movement that erupted two years ago, denouncing government corruption and lack of services. Prime Minister Mustafa al-Kadhimi is vying for a second term while trying to balance relations with the U.S. -- which still has 2,500 troops in Iraq -- and Iran, which supports powerful militia in Iraq. Special correspondent Simona Foltyn reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders