OBR 7.07 Catcher at Home

[Saltydog]

I have two questions.
When I was a kid I was taught to come out in front of the plate to field the ball for a play at home, though a couple said straddle, and after catching the ball to step the left foot/knee into the baseline facing 3rd. If I'm reading 7.07 right I stop the play at home alright, but put a runner on first! What am I missing here? Where is the catcher supposed to set up now? And at what point is the batter 'interfering' with the play?

Related question: I heard a manager today telling his catcher to straddle the base, but when he got the ball to drop to his knees like a hockey goalie blocking a shot. Again, I was taught, if I had the ball I could occupy the baseline, but still had to provide a path to the base. (7.06 with a little license?)

Thanks,
SD
___________
Never seemed this hard as a kid.