If there is any doubt as to whether Nikki Haley is on the Trump Train, maybe this will settle the matter:

Clearly,  it is America first and 73 million Americans agree.*

"For those that don't have our back, we're taking names, we will make points to respond to that accordingly.  Our goal with the administration is to show value at the U.N. and the way that we'll show value is to show our strength, show our voice, have the backs of our allies and make sure that our allies have our back as well."
*57% of the 128 million voters.  Rasmussen has Trump's approval numbers at 57%  (actually,  59% in its latest poll).