Thursday on the NewsHour, Israel intensifies its strikes in southern Gaza as calls to hold Hamas accountable for alleged sexual violence grow louder. The Ukrainian official in charge of weapons production makes the case for why U.S. support is critical in the fight against Russia's invasion. Plus, Republican candidates sharpen their attacks on each other as Trump refuses to show up for a debate. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders