Vice President Kamala Harris was in Guatemala on Monday, her first stop in a mission to work on reducing migration to the US by seeking to improve conditions in Central American countries. And, in Burkina Faso, two days ago, Islamist extremists killed more than 130 civilians, according to local officials. This was the worst terrorist atrocity in the history of the country. Also, cities around the world are designing reopening plans and imagining postpandemic life. Human behavior is hard to change, but experts say this is an opportunity to create a new normal.