This point has obviously been through a few rounds of "telephone".
"boasted of hiring a hit team"--he suggested it as a hypothetical idea, he didn't "boast" of already doing it, nor is there any indication he did
"in a very public forum"--he said it at a private dinner party where comments were understood to be off the record, but someone brought a +1 and didn't read him into this so he ran with it.