if i were trump, i wouldn't say anything about the mueller report for a few days or maybe a week. wait for details to start leaking
then call a press conference. make sure to invite his most vocal critics on the Russia Narrative. Acosta, MSNBC, New York Times, everyone is invited
hold the press conference on the white house lawn. show up a few minutes late. let the attendees sit and wait. then crank up the white house speakers and make his entrance to Queens "We Are The Champions"
Make sure to call on Acosta, MSNBC, NYT, etc. Answer their questions politely and follow up with a comment on some of the past reporting on Russian Collusion
End the press conference noting the recent defeat of ISIL and make his exit to the tune of Joe Walsh's "Life's Been Good To Me So Far"