I am not going to lie, I've considered faking Ender/Barksdale as a service dog so we can take them on public transportation into San Francisco. Apparently people have been getting bold about bringing their pets into restaurants, including service dog fakery, as told by this article:
http://insidescoopsf.sfgate.com/tjjacobberger/2010/11/12/restaurants-are-going-to-the-dogs/