President Trump said on Saturday that the final corporate tax rate may be 22%, above the 20% rate he had insisted on leading up to last night's Senate vote approving the bill, per the Wall Street Journal.

Why it matters, according to the Journal's Richard Rubin: "During Senate debate, Republican leaders beat back attempts to go above 20%, including calls from Sens. Marco Rubio (R., Fla.) and Mike Lee (R., Utah) to pay for a larger child tax credit and from Sen. Susan Collins (R., Maine) for her priorities."

Go deeper: What else will be negotiated between the House and Senate versions.