She has publicly apologized multiple times for the actions of her father.
While many politicians lie, not all politicians are liars. People really do change their minds — Reagan was once a Democrat, after all — and I think it's possible for an apology from a political leader to be sincere.
I wish things were as easy with Korean politics. The whole “saving face” thing is so important to Asia that I'm not sure anyone in the upper levels of business and politics can be assumed to mean what they say.
None of this is an attack on Park Geun-hye. The bottom line is that I believe Park Geun-hye was probably the best option under the circumstances. The alternatives were worse, and some tremendously worse.
I'm optimistic, but cautiously so.
Time will tell.