A1: She wants to help people remember what they looked like before her policies render them extinct.
A2: She likes sticking it to the bears.
A3. She couldn’t find a wolf-cub pin.
Climate Progress, with a photo and how you can order a pin just like Sarah’s. Only $14.99 plus $3.50 shipping.
I find it fascinating (from the comments at Climate Progress) that the polar bear is also something of a mascot for the Alaskan Independence Party.