Trump threatens veto if congress votes against border emergency SUBSCRIBE: https://youtu.be/nE2uhv-ZCSw : President Trump, speaking to reporters in the White House, said he will “probably have to veto” a resolution that would block his national emergency. “I don’t know what the vote will be. It doesn’t matter. I will probably have to veto,” Trump said. If he does veto the legislation, it would be his first as President.