“GOP leadership is confronting mushrooming demands from individual senators with much more power to bollix up the tax plans, thanks to the party’s super-thin majority,” Politico reports.

“Sen. Ron Johnson (R-WI) has already said he won’t vote for his colleagues’ proposal because of how it treats small businesses… Deficit hawks like Sens. Bob Corker (R-TN) and Jeff Flake (R-AZ) are worried the plan will cost far more than advertised thanks to its liberal use of “temporary” tax provisions that will likely be eventually extended.”

“Moderate Susan Collins (R-ME) has her own concerns, including with plans to repeal the Affordable Care Act’s individual mandate to have health insurance as part of tax reform. Others like Sens. John McCain (R-AZ) and Lisa Murkowski (R-AK) have been wildcards, avoiding taking a public position on the proposal.”

John Cassidy: “It is entirely conceivable that, in two weeks’ time, the Republican Party’s leaders will have largely succeeded in railroading through Congress an unpopular, regressive, and damaging tax reform. That was their plan from the beginning, and so far it has worked out much as they intended. On Thursday, the House, spurred on by Paul Ryan, voted to approve its version of the legislation. Now everything depends on what happens in the Senate.”

“To get their tax plan through this final legislative stretch, the Republicans will try to rely on speed, subterfuge, and diversion. McConnell and Ryan have read the opinion polls. They know that there is widespread opposition to their plan’s major elements, such as its big tax cuts for corporations, unincorporated businesses, and rich people (like the President), or its new limits on popular deductions for mortgage interest and state and local taxes.”

“That explains why the Republicans didn’t hold any hearings in the House, and why they are adopting similar blitzkrieg tactics in the Senate. The G.O.P.’s strategy is to rush this thing through before the other side has time to organize a defense.”