Another point is that the sunlight is coming from her right. It would be interesting to see her with the sun behind, above or directly in front of her. Light from the side can make faces look different than they would with the light evenly shining.
Hillary’s eyes:
Another view inside plane-—Hillary is talking to the press in this short video:
https://www.youtube.com/watch?v=NvRbpACD0Q4