With no ceasefire and an invitation to Moscow, the US and Russia's meeting yields more questions than answers.

The frustration on President Trump's face after talks with Putin was something his presidential predecessors would have recognized.

After Trump concluded his remarks at the joint press conference by thanking Putin, he said in English: "Next time in Moscow," to which Trump responded that the remark would get him "a little heat," but that he "could see it possibly happening.