Displaced Iraqis from the Yazidi community gather to receive food at a camp in Syria on Tuesday. Associated Press WASHINGTON—The U.S. is weighing a military mission in Iraq to rescue thousands of Yazidi refugees, a move that risks putting American forces in direct confrontation with Sunni fighters for the Islamic State. The proposal is still under development and hasn’t been approved by President Barack Obama . U.S. officials said the rescue mission is one of many options the U.S. military is weighing after dropping food and water to dying refugees over the past six days. “People are looking at ways to do something more than just drop water and supplies,” one senior U.S. official said. “You can only do that for so long.” Since last week, the U.S. has sought to halt the militants’ advance on the Kurdish city of Erbil and to relieve Yazidis trapped by the fighters […]