Ukraine peace talks progressing, Russia open to EU membership, U.S. officials say

� U.S. officials said they are nearing an agreement with Ukraine to end the war with Russia.

� Any deal would need final approval from Russian President Vladimir Putin, who has taken a hard line and demanded territory in return for peace.

� President Donald Trump was expected to call into a dinner with Ukrainian President Volodymyr Zelenskyy and other European leaders.