To that latest on the nuclear it with north Korea. The north Korean official who met with secretary O state Mike Pompeo iew York I heading to the white house. Thrst visit from a north Korean officialce preside Clinton was in office as both Sirk to get the summit back on track.let's start Martha Raddatz and we expect prent trump to be given a let from Kim jong-u the second time history that a north Korean official has visitedhe white house and this official is on the sanctions listnd had to get a special waive to even get in the country but the north's chief negotiator has that special delivery for president trump, a personal letter Kim Jong-un. We don't knowxactly what is in the letter, be now have a stronghint. This morning after a meeting with ruia's foreign minister, Kim reaffirmed his commitment to denuclearization O the Korean peninsula saying he hop for a phased process in resng the issue and hoped it could solved stage-by-stage basis, of our there is stillnot any official announcement thatummit wl take place on june2h. Secretary of state Mike Pompeo been signifi progress and he believes North Korea wants a path forward. But exactly what that means from the nortrean point of view is unclear, although president trumid sayhis week it may takeeral meetings to work is ou he also said his very much lookinrward to receiving the letter this afternoon from K ng-un. George. Okay, Martha Raddatz, thanks. Let'g in Jon Karl for more on T as well. And, Jon, the preside eagerly looking for to this meeting this afternoon ande's bee driving this process behind scenes. Reporter: This I the president's show. He is acting, George, his own national securityadr, his own top DI. He knows that this has the potential to be the biggest nt of hisire presidency so it was the psident who immediately accepted the invitation to meet. The president who abruptly canceled theeth summit and then against thedvice of his own aides put I back on track. On T fascinating questions hegeorge, is whether the president is already talking directly to Kim Jong-un. You ow, in that letter the ident wrote, he referred T their wonderful dial. After that the president was -- thite house has been asked many Tim and the president H been asked has he directly spoken by phone with Kim Jong- and they have not answered that question. On another front, controversial decision yesterday from the president to pardon of aseive commentator, the president aluggesting more are coming. Reporter: Yeah, absolutely. Ms to really relish the don pow and talked about pardoning possibl Martha stewar did a spin-off of his show "The apprentice" and rod blagojevich, disgraced former governor ofllinois a "Celebrity apprentice" star O Cotant and likes T pardon power, one oe things a president can do that can't be review anybody. Absolute Powe His critics are saying he's ING sls to those caught up in the ra investigation. Thanks very much.