Portland, Oregon, is the latest city where President Donald Trump is activating National Guard troops for novel use in a fight against crime and illegal immigration. Our reporter takes a big-picture look at how the U.S. government has directed the National Guard this year. Also: today’s stories, including how Ukrainians are fleeing Russia’s scorched-earth tactics on the front lines; a look at the trade offs in Colombian President Gustavo Petro’s energy agenda; and how a Haitian businessman is working to build social bridges toward peace in his home country. Join the Monitor's Christa Case Bryant for today's news.