Ahead of a highly anticipated report the Pentagon will deliver to the White House on a new plan to defeat the Islamic State group, the biggest change employed by the military may be in the name of the enemy itself. The Defense Department now officially refers to its primary foe in Iraq and Syria as "ISIS," according to a memo the Pentagon issued earlier this month. Since the campaign began in 2014, military officials grappled with President Barack Obama's preferred "ISIL," short for the Islamic State of Iraq and the Levant, a more regionally sensitive and accurate translation of the...