Baku-APA. President Barack Obama says he will continue to engage Russian President Vladimir Putin, even though they've "hit a wall" in their relationship, APA reports quoting .
Obama says although Putin is rejecting the idea that Syrian President Bashar Assad used chemical weapons against his people, he's quote, "always hopeful" that he'll change his position, APA reports quoting RIA Novosti.
Putin said in an interview with the Associated Press that