President Donald Trump offered another glimpse of an emerging, sometimes contradictory foreign policy doctrine: trying to end various conflicts around the globe while vowing not to withdraw from the world entirely.

Vladimir Putin rejected calls to join direct talks with Ukraine's leader in Turkey, seemingly unphased by mounting pressure from Trump to strike a peace deal.

Trump, who had pressed for Putin and Ukrainian President Volodymyr Zelenskyy to meet in Istanbul, brushed off Putin’s apparent decision to not take part in the expected talks. “I didn’t think it was possible for Putin to go if I’m not there,