NBC
President Obama said Thursday that Russia has shown “deplorable” conduct by supporting Syrian President Bashar Assad’s government, and said it raises serious questions about Moscow’s commitment to ending the crisis.
Speaking at a news conference after a briefing at the Pentagon, : "I'm pretty confident that a big chunk of my gray hair comes out of my Syria meetings,” said Obama, who turned 55 on Thursday.
President Obama talked about one of the biggest issues of his presidency, the civil war in Syria, and how it weighs on him.