Wednesday on the NewsHour, after winning in New Hampshire, Donald Trump sharpens his attacks on Nikki Haley as her campaign looks ahead to South Carolina. As the U.S. strikes back against militants attacking interests in the Middle East, we look at the fine line the Biden administration is walking to avoid a regional war. Plus, alcohol-related deaths surge in Colorado and other western states. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders