Tuesday on the News Hour, businesses are hit by new tariffs that the U.S. is slapping on Mexico and Canada, Ukraine scrambles to salvage its fractured alliance with the U.S. after the White House suspends military aid, and President Trump prepares to give his first address to Congress since returning to office as he slashes the federal workforce and reshapes American foreign policy. PBS News is supported by - https://www.pbs.org/newshour/about/funders