Defense: President Trump threatens -- again -- to veto NDAA

The National Defense Authorization Act has become a political football. President Trump has threatened twice to veto this important bill -- once over Confederate base names, and now over demands to repeal a law that currently shields tech companies from lawsuits over content. Congress has said it won't bend. CQ Roll Call's John Donnelly explains where things stand. Learn more about your ad choices. Visit megaphone.fm/adchoices