Has John Kerry committed a criminal offense?

Source-Sun Journal- Following the 2016 election President Obama rightly warned the Trump transition team we only have one president at a time." It was a reminder that there can be just one person articulating American foreign policy so world leaders will have no doubt as to the United States intentions. Obamas former secretary of state John Kerry ignored that warning and has been behaving as if hes still in office. Kerry writes the Boston Globe engaged in some unusual shadow diplomacy" with Irans foreign minister Javad Zarif at the United Nations in New York reportedly to try and salvage the Iran nuclear deal they spent years negotiating." On Tuesday President Trump followed through on his promise to end Americas participation in the deal. In response Sen. Marco Rubio R-Florida tweeted that it does not further U.S. national security" neither was it a binding agreement under U.S. law because it was never submitted for Senate approval." Rubio called it a political agreement by the previous administration." Last week in an apparent attempt to influence the presidents decision on re-certifying Irans compliance Israeli Prime Minister Benjamin Netanyahu revealed a treasure trove of documents obtained by Mossad Israels intelligence agency which he said proves Iran has been cheating on the agreement. Apparently this had no influence on Kerry.