When someone comes to the door, Chloe and Jack run to the door and bark their heads off. When I tell them to stop, Jack will, but Chloe won't. She barks continuously so that I can't even hear what the person is saying. She also comes up and sits at a persons feet and barks to try to get attention. Also if I'm outside and try to talk to the neighbor or anyone else, she'll bark. I know she's doing this for attention, and I don't give it to her when she acts like that, but she is soooo persistant. I'd really like to start working with her to correct this. Any help for you expert dog trainers would be much appreciated.