If I remember correctly, Hillary doesn't like to be approached...
This explains the photo taken - the one where she looks as tho she has been filled with ‘spirit’. She needed the fortification to make it through the day mingling with the ‘unwashed common serfs’ who come offering gifts of support. She was more than likely wearing nose plugs as well. It’s difficult to breathe that the air at lower altitudes when one is accustomed to the cleaner, purer air on the high peaks.