Involved in sanctions busting. North korea test fires more missiles. Is kim jongun testing President Trump . Im wolf blitzer. Youre in the situation room. This is cnn breaking news. President trump says hes very surprised that the Senate Intelligence committee has subpoenaed his son donald trump jr. At an informal News Conference that turned into a tirade, he slammed the move by the committees republican chairman richard burr. The president also repeatedly slammed special Counsel Robert Mueller saying hed leave it up to the attorney general as to whether mueller should testify before congress. And as u. S. And chinese officials get ready to sit down here in washington, the president is sticking with his plan to raise tariffs on chinese imports just hours from now. But even as he sends wall street on a roller coaster ride, hes holding up the prospect of an agreement saying he got a, quote, very beautiful letter from chinas leader. Ill speak with congressman danny heck of the intelligenc