Conservatives are drawing a red line that could doom the GOP's tax reform efforts -- Business Insider

Republicans are considerably more optimistic about party unity in reforming the tax code compared to the several failed attempts to repeal and replace Obamacare. But a battle over the corporate tax rate still looms on the horizon, threatening the GOP's efforts at passing significant legislative achievement this year. ....
http://www.businessinsider.com/tax-reform-freedom-caucus-corporate-tax-rate-2017-9