Military honor guards dress an Iraqi flag as they prepare to greet Iraq's Prime Minister Haider Al-Abadi upon his arrival to meet with U.S. President Barack Obama at the White House in Washington April 14, 2015. Al-Abadi and Obama will discuss the fight against Islamic State on Tuesday at a White House meeting likely to be dominated by Iraqi requests for U.S. arms and tension over Iran's role on the battlefield. REUTERS/Jonathan Ernst
