A leading Syrian Kurdish politician said on Thursday the United States will stay on in Syria to destroy Islamic State, build infrastructure and remain a player in the search for a political settlement after more than 10 years of civil war. The Kurds, who live in the mountainous region straddling the borders of Syria, Armenia, Iraq, Iran and Turkey, carved out self-rule across northeast Syria during the civil war that began in 2011. President Bashar al-Assad was supported by Russia and Iran while the Syrian Kurdish YPG militia was backed by the United States. But in 2019 then-President Donald Trump...