Sources close to Mitch McConnell tell me the Majority Leader is dead serious about forcing a Senate vote on the Obamacare repeal-and-replace bill before the July 4 holiday.

Some senators want to delay the vote but McConnell views that as delaying the inevitable. There are no mysteries about what the toughest disagreements are over — Medicaid funding and insurance market regulations.

This week is crucial: the Senate won't vote without a CBO score, which means they need to finalize negotiations this week.

the Senate won't vote without a CBO score, which means they need to finalize negotiations this week. Behind-the-scenes: McConnell and Senate leaders have been at this for all of May and now first couple weeks of June, turning their weekly lunches into working sessions on various aspects of the healthcare legislation. They've whittled down the stack of items that people don't agree on. I've spoken to a number of people who know McConnell well who speculate that he'll force a vote regardless of whether he knows he has 50 votes. They say he's desperate to move on to tax reform and can't have healthcare hanging around like a bad smell through the summer.

On the House side: