The New York Post is having a field day, or rather, field week. Murdoch is sending a pretty clear message to the loser. A few days ago, they had a full "Trumpty Dumpty" front page, which was posted on here, and then, two days ago, before Trump came out with this, they ran a piece speculating on just what his "big announcement" would be:
Trump begging Jared, Ivanka to join him for campaign launch: sources (nypost.com)