In the past week, 30 Ukrainians have died and more than 163 others injured as Russia escalated its bombing campaign amid U.S. efforts to end the war. It prompted President Trump to lash out at not only Russian President Putin, but also Ukrainian President Zelenskyy. Laura Barrón-López discussed more with retired Army Col. Robert Hamilton of the Foreign Policy Research Institute's Eurasia Program. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcasts Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews X: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: http://www.pbs.org/newshour