I didn't see anything like that happen. What are you referring to?
Nikki Haley has been in the news for her comments at the U.N., that United States isn't going to look the other way to Assad's use of chemical weapons in Syria, and that the U.S. is prepared to do whatever it takes to see they don't happen again.
When I googled the two, this is what came up....
http://www.businessinsider.com/trump-twitter-habit-nikki-haley-2018-2...which doesn't sound like a slam to me.