but why is president trump concerned about his son now? >> we have known about this meeting for a very long time, but what is only recently come to light is the fact that trump may have had advanced knowledge of this meeting or, very at the least, may have been told about it shorlted afttly after the fa is something the president has dined. michael cohen is preferred to testify to special counselor robert mueller trump had known about the meeting and contradict what donald trump jr. has already told congressional investigators. rudy giuliani, trump's personal attorney, is denying that trump jr. is in legal jeopardy telling cnn n a statement, it is not so. a year of investigating there is no wrongdoing on his part for ma matter or the president. nothing has changed. we are not worried about michael cohen he has no knowledge of