<human>: I just returned home from a walk to the park with my children (2&7) and our 2 yo amstaff mix, female. 

My stomach is in knots, it was so stressful. She barks and growls and pulls, but most dogs are in their yards away from the sidewalk 25 feet. Until we turn the corner and the sidewalk is right next to the fence. With a small yippee dog. Fuck me! Omg, she wants to kill other dogs. She went nuts! I was tempted to leave her at the park. I did not want to do that again. 

But I did. And she growled at a man washing his car and then tried to eat the little dog on the extendable leash thing. I told that girl, do not let your dog get closer. I was down a driveway away from the sidewalk while my dog is up on her back legs trying to choke herself to eat this dog.   

We have to chain her up outside because she jumps the fence. We have a new neighbor behind us that has a dog. My husband and I were in the back when the neighbor let her dog out. Our dog scaled the fence, ignoring us yelling and my husband running to grab her, to get at the dog. He jumped the fence and grabbed her before she actually fought the other dog. 

Is this fixable? Can she learn to behave on a walk? 

I'm embarrassed at what we/I must have looked like, ugh.

Could you distill the essence of the text into 1-3 sentences?
<bot>: My dog hates dogs, maybe other people, and I'm afraid she is going to hurt someone or something. Can she be trained?