good to have you with us,ern. it is the meeting rch had been waiting for. u.s. president barack obama and his russian counterpart vladimir putin. it began with a formal, some say frosty handshake. 90 minutes later no one was surprise with the results. the two men talked first and ukraine and then syria. mr. obama insists the syrian dictator must go while mr. putin continues to back assad and make clear his intention is to fights terrorism in syria but not to send in troops to fight isis. on ukraine, president obama reiterated the support for the country s sovereignty and called on russia to implement the peace accord. the division between obama and putin were obvious as they traded barbs at the speeches. chief u.n. security correspondent has the report. reporter: a tense meeting with syria at the top of the