TOUCHDOWN FOR TOMMY Is football Tommy's key to a new home? Football isn't just Tommy's favorite sport-he also thinks that it's the key to a good home. The recently orphaned Tommy is delighted to discover that his foster father, Mr. Powell, coaches Midget League football. By playing well, Tommy hopes that he will make Mr. Powell want to adopt him, and then he will have a real family again. But will things work out the way he plans