New conflicts threaten Syria after Islamic State defeat

By Michael Georgy and John WalcottRAQQA, Syria/WASHINGTON (Reuters) - Sheen Ibrahim's track record fighting ultra-hardline militants explains U.S. President Donald Trump's policy of arming Syrian Kurds like her as he seeks to eradicate Islamic State.Taught by her brother to fire an AK-47 at 15 and encouraged by her mother to fight for Syrian Kurdish autonomy, she says she has killed 50 people since she took up arms in Syria's six-year-old civil war, fighting first al Qaeda, then crossing into Ir