The woman (women? I haven't checked to be sure they are the same) in Debates 1 and 2 are not the original Hillary Clinton. The Debate 2 woman has quite a straight nose, while the original Hillary had a sort of bump halfway along her nose, a bit like people get whose nose was once broken.

The new Hillary seems to have no apparent health issues. No head bobbles, no tremors, energy to stand for 90 minutes.

They don't want any more exposure of the double.

Also, I think it would be a time for Trump to be very safe. We don't want a bullet to decide the election.