Apr 17 2019 WASHINGTON The Latest on President Donald Trump's veto of a congressional resolution on U. President Donald Trump has vetoed a congressional resolution to end U. military assistance in Saudi Arabia's war in Yemen. In explaining his veto, Trump calls the resolution an unnecessary, dangerous attempt to weaken my constitutional authorities. He also says it endangers the lives of American citizens and service members. President Donald Trump has vetoed a congressional resolution passed to end U. In a break with the president, Congress voted for the first time to invoke the War Powers Resolution to try and stop U. One, I don't usually reflect on the connections that help me understand how I learn something new or what goes into coming up with some new concept.