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Good morning, Playbookers. It's Tuesday, July 13th. I'm Ragumonovallin, and this is your Politico Playbook Daily Briefing.

It was after 9 p.m. on Friday, and staff for the bipartisan Senate infrastructure working group were

hammering out legislative text over Zoom. Suddenly, the girlfriend of a staffer for Senator Angus King

walked in to announce that they had a visitor. The senator himself. He hopped on the call to thank

those working, including aides to Senators Susan Collins, Jackie Rosen, Rob Portman,

and Joe Manchin for their hard work.

Our first thought, these people really know how to live it up on a Friday night.

Our second, this could all be for not.

Here's why.

We heard that the bipartisan infrastructure group and their staffs had late night calls

and videos throughout the two-week

recess. The resources in the group told us staff are racing to finalize bill text to introduce it

as early as this week, but as are Burgess Everett and Marianne report, a crop of the 11 Republicans

who originally backed the so-called BIF is getting cold feet amid harsh scrutiny from the

right. Support from the five GOP senators who negotiated the deal, Collins, Portman, Mitt Romney,

Lisa Murkowski, and Bill Cassidy is solid, but the other six, including Jerry Moraine and

Lindsay Graham, are raising concerns about pay-for's.

Privately, BIF members in both parties expect that the CBO may say the proposed pay-for's will fall short of covering the bill's cost.

There's a quiet expectation that the IRS enforcement portion of the plan may not be

scorable. That'll leave a $100 million hole.

It would present a perfect opportunity for Republicans looking for an out-to-jump ship.

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