Trump threatens to veto defense bill over social media rule

President Donald Trump threatened to veto must-pass defense policy legislation on Tuesday unless lawmakers agree to repeal a legal shield for social media companies, a move that one senior House staffer called "a total non-starter" for Democrats.

Trump's push to repeal the protections, known as Section 230, has become the most contentious remaining issue in talks on the National Defense Authorization Act. The president ratcheted up the pressure on Congress in a pair of tweets Tuesday night, threatening to nix the $740 billion bill unless it includes the repeal.

"Section...