US President Donald Trump said on Sunday he is ready to move to the second stage of sanctioning Russia, remarks suggesting that he is closer to ramping up sanctions against Moscow or its oil buyers in frustration over the war in Ukraine. Trump has repeatedly threatened Moscow with further sanctions but withheld them as he pursued talks. The latest comments suggest an increasingly aggressive posture, but Trump stopped short of saying he was committed to such a decision or what such a second phase might entail. Asked by a reporter at the White House if he is ready to move to the second...