I can't add much that hasn't been said already, other than it appears Jennifer McKinney is incapable of putting herself second in any situation.
A commenter (Hi, Crystal) posted a retweet with an excellent and apropos quote:
Humility is not thinking less of yourself, but thinking of yourself less-C.S.Lewis
Maybe (if she can't learn anything else from this trip) not meeting the standards of the five other compassionate bloggers who are clearly putting the children and their mission first will begin to humble her Frozen Tundra butt.