Hi Karen,
If George doesn't start it, Sissy Pom does. They have their "interactions" inside and out. The only surprise today outside was that Sissy was not barking loud and often at him because that's what she does inside. Just about every time George cat goes out or comes back in, Sissy goes nuts barking at George. If George jumps on the couch which he does often, Sissy Pom goes ballistic with barking yet she doesn't really hurt George or vice versa..... Kay