It is not exactly clear when the 20 hours, which began Tuesday afternoon, will run out. The reading of amendments is not counted against the clock. So if Republicans offer a lot of long amendments and insist for full readings, that could delay things.
At some point Wednesday the 20 hours probably runs out and then the real fun begins.
They call it vote-a-rama and it will showcase a long series of perhaps hundreds of roll-call votes. They could stay in late or work normal days. Regardless, this could take days of straight voting. There will be points of order raised, rulings by the parliamentarian and arguments on the floor. It will be technical, confusing, and petty
Amendments have been filed dealing with everything from Viagra for sex offenders to the Medicare spending cuts that are envisioned to pay for the bill. Frumin will have to rule on each one.