“White House officials are tempering expectations ahead of Friday’s summit between Presidents Donald Trump and Vladimir Putin, casting it as a step toward a peaceful solution to the Ukraine war and avoiding promises of a ceasefire or any other type of grand bargain,” Politico reports.“The goal, a White House official said, is for Trump to simply take the measure of Putin, find out if the Russian leader is serious and work toward a trilateral meeting with Ukrainian President Volodymyr Zelensky.”CNBC: Sidelined from Trump-Putin talks, Ukraine warns the world not to trust Russia.