House leaders say they will be able to override Trump's possible veto of $740 billion defense bill

House Democratic Caucus Chairman Hakeem Jeffries predicted Tuesday that the chamber will be able to override a veto of the defense bill from President Trump over the exclusion of repealing Section 230 of the Communications Decency Act.

"I believe the bill will pass with robust support amongst Democrats and Republicans, likely sufficient to indicate to the president that if he chooses to veto the bill he will be overridden," said Jeffries, whose party has the House majority.

The final version of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 comes in at more than 4,500 pages and totals $740.5 billion. The House is expected to vote on it Tuesday.

Jeffries said he's "not responsible for the vote counting" and declined to speak for House Majority Whip James Clyburn about the current vote totals. 

House Armed Services ranking member Mac Thornberry said Monday that Trump is "serious" about vetoing the defense authorization bill if it doesn't include elimination of Section 230.

The section of the law protects social media companies from liability for third-party content posted of their sites. 

House Armed Services Committee Chairman Adam Smith told reporters that the House would be able to override a presidential veto of the NDAA.

"It takes two-thirds to pass it. If the president is being unreasonable, then we will get that," the Washington Democrat said Monday. 

According to House rules, "the two-thirds vote required to pass the bill is two-thirds of the members voting, a quorum being present, and not two-thirds of the total membership of the House."