White House spokesman Josh Earnest speaks during a press briefing at the White House in Washington September 8, 2014. U.S. warplanes carried out five strikes on Islamic State insurgents menacing Iraq's Haditha Dam on Sunday, witnesses and officials said, widening what President Barack Obama called a campaign to curb and ultimately defeat the jihadist movement.

REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)