With Biden, there's always been a presumption.

This is almost unspoken rule that for him,

mass is so sacred and his church is so sacred

that it is an incredibly private space.

I'm Ryan Liza, this is Playbook Deep Dive.

It just feels like a weirdly personal moment

that you're kind of like observing through a literal fence.

It has a fishable element that plays out so literally

as to almost be ridiculous.

As a rule dating back to the election,

the reporters who follow the president

go pretty much everywhere with him,

except two places,

inside his home and inside his church.

Communion is this, for Catholics,

a literal moment before God,

and that's as personal as you can get.

But it's also the President of the United States occupying

this like incredibly public role

of being the nation's second Catholic president.

Joe Biden's trips to St. Joseph on the Brandywine,

the pale yellow church in Delaware,

...